Inventor
Alan P. Dieken
Inventor
Oakdale, MN, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis43%
A61NElectrotherapy24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
H05KPrinted circuits10%
LOC2410%
PatentTitleYear
6,026,170'Electronic stethoscope with idealized bell and idealized diaphragm modes'20005,932,849'Stethoscope having microphone therein'19995,852,263'Stethoscope having microphone in stem of chestpiece'1998D0403065'Stethoscope component'19985,663,532'Ergonometric stethoscope chestpiece'1997D0379512'Ergonometric stethoscope chestpiece'19975,418,686'Electrical safety system for electrical device'19955,411,534'Electrical safety system for electrical device'19955,367,575'Electronic stethoscope having battery carriage'19945,347,583'Electronic stethoscope having binaural earpiece'19945,334,223'Electrical safety system for electrical device'1994D0338269'Ergonometric stethoscope chestpiece'1993D0337381'Ergonometric stethoscope chestpiece'19935,204,500'Ergonometric stethoscope chestpiece'19934,926,864'Biological tissue stimulator with time-shared logic driving output timing and high voltage step-up circuit'1990D0303430'Transcutaneous electrical nerve stimulator'19894,803,986'Ergonometric transcutaneous electrical nerve stimulator'19894,706,674'Electrical stimulator for biological tissue utilizing output current monitor'19874,699,143'Electrical simulator for biological tissue having remote control'19874,686,991'Electrical stimulator for biological tissue utilizing linear current output circuit'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2000Patents assigned to MINNESOTA MINING & MFG (19)· patent assignee history
1987–1993Based in St. Paul, MN, US· patent location history
1994–2000Based in Oakdale, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 19 | 1987–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oakdale, Minnesota, US | 11 | 1994–2000 |
| St. Paul, Minnesota, US | 9 | 1987–1993 |