Inventor
Douglas J. Roger
Inventor
Rancho Mirage, CA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC24primary
LOC2464%
A61BDiagnosis36%
PatentTitleYear
9,622,734'Retractor tools for minimally invasive hip surgery'20178,834,471'Angled reamer spindle for minimally invasive hip replacement surgery'2014D0706924'Superior acetabular retractor'20148,480,674'Angled reamer spindle for minimally invasive hip replacement surgery'20138,475,460'Angled reamer spindle for minimally invasive hip replacement surgery'2013D0658289'Secondary anterior retractor'2012D0658287'Inferior acetabular/piriformis retractor'2012D0658288'Anterior retractor'2012D0658286'Double ended retractor'2012D0658290'Posterior retractor'2012D0658285'Femoral neck elevator'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2017Patents assigned to GREATBATCH LTD (8)· patent assignee history
2012–2013Patents assigned to ROGER DOUGLAS J (8)· patent assignee history
2012Patents assigned to RYSHKUS CHAD (6)· patent assignee history
2012Patents assigned to CRANDALL JONATHAN P (4)· patent assignee history
2012–2017Based in Rancho Mirage, CA, US· patent location history
2013–2014Patents assigned to GREATBATCH MEDICAL SA (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GREATBATCH LTD | 8 | 2012–2017 |
| ROGER DOUGLAS Jself | 8 | 2012–2013 |
| RYSHKUS CHAD | 6 | 2012 |
| CRANDALL JONATHAN P | 4 | 2012 |
| GREATBATCH MEDICAL SA | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rancho Mirage, California, US | 11 | 2012–2017 |