Inventor
Roger W. Dahl
Inventor
Andover, MN, US
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Nprimary
A61NElectrotherapy84%
A61BDiagnosis7%
A61MDevices for introducing media into, or onto, the body4%
A61LMethods or apparatus for sterilising materials or objects in general2%
C12MApparatus for enzymology or microbiology2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
7,522,959'Subcutaneous cardiac rhythm management'20097,079,902'System for promoting selective tissue in-growth for an implantable medical device'20067,079,892'System and method of cardiac stimulation at oblique vein'20067,027,862'Apparatus and method for transmitting an electrical signal in an implantable medical device'20066,999,814'Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode'20066,976,967'Apparatus and method for sensing spatial displacement in a heart'20056,934,589'System and method for placing endocardial leads'20056,901,289'System for providing electrical stimulation to a left chamber of a heart'20056,704,604'System and method for promoting selective tissue in-growth for an implantable medical device'20046,697,676'Medical electrical lead having an expandable electrode assembly'20046,697,677'System and method for placing a medical electrical lead'20046,280,462'Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode'20016,157,860'Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode'20006,152,955'Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation'20006,077,478'Microwave powered sterile access port'20006,038,483'Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation'20006,032,079'Implantable conformal coil electrode with multiple conductive elements for cardioversion and defibrillation'20006,026,332'Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation'20005,916,243'Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation'19995,916,238'Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode'19995,713,926'Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode'19985,662,696'One piece disposable threshold test can electrode for use with an implantable cardioverter defibrillator system'19975,603,732'Subcutaneous defibrillation electrodes'19975,554,178'Metalized implantable cardiac electrode'19965,545,202'Body implantable defibrillation system'19965,545,205'Unitary intravascular defibrillating catheter with bipolar sensing'19965,531,779'Stent-type defibrillation electrode structures'19965,496,362'Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation'19965,385,574'Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode'19955,366,496'Subcutaneous shunted coil electrode'19945,360,442'Subcutaneous defibrillation electrodes'19945,342,407'Body implantable defibrillation system'19945,314,459'Defibrillation electrode system having smooth current distribution with floating electrode'19945,300,106'Insertion and tunneling tool for a subcutaneous wire patch electrode'19945,271,417'Defibrillation electrode having smooth current distribution'19935,269,319'Unitary intravascular defibrillating catheter with bipolar sensing'19935,230,337'Process for implanting subcutaneous defibrillation electrodes'19935,203,348'Subcutaneous defibrillation electrodes'19935,191,901'Controlled discharge defibrillation electrode'19935,111,812'Defilbrillation electrode having smooth current distribution'19925,107,834'Low energy multiple shock defibrillation/cardioversion discharge technique and electrode configuration'19925,090,422'Implantable electrode pouch'19925,074,313'Porous electrode with enhanced reactive surface'19915,063,932'Controlled discharge defibrillation electrode'19915,044,375'Unitary intravascular defibrillating catheter with separate bipolar sensing'19915,020,544'Low energy defibrillation electrode'19915,018,523'Apparatus for common mode stimulation with bipolar sensing'19914,969,463'Defibrillation electrode and method for employing gatling discharge defibrillation'19904,559,951'Catheter assembly'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2009Patents assigned to CARDIAC PACEMAKERS INC (36)· patent assignee history
1985Based in Anoka, MN, US· patent location history
1990–2009Based in Andover, MN, US· patent location history
1991–1993Patents assigned to MIROWSKI MIECZYSLAW (2)· patent assignee history
1997Patents assigned to ANGEION CORP (1)· patent assignee history
2000Patents assigned to NASA (1)· patent assignee history
2000Based in Tenmile, OR, US· patent location history
2004–2006Patents assigned to MEDTRONIC INC (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CARDIAC PACEMAKERS INC | 36 | 1985–2009 |
| MEDTRONIC INC | 9 | 2004–2006 |
| MIROWSKI MIECZYSLAW | 2 | 1991–1993 |
| ANGEION CORP | 1 | 1997 |
| NASA | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Andover, Minnesota, US | 47 | 1990–2009 |
| Tenmile, OR, US | 1 | 2000 |
| Anoka, Minnesota, US | 1 | 1985 |