Inventor
Darrell Jeffrey Rowan
Inventor
Dubuque, IA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Fprimary
E02FDredging36%
B60NSeats specially adapted for vehicles27%
Y10TTechnical subjects covered by former us classification27%
F15BSystems acting by means of fluids in general9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2013Patents assigned to DEERE & CO (4)· patent assignee history
2008–2013Based in Dubuque, IA, US· patent location history
2012–2013Patents assigned to GRAEVE JOSH DEAN (2)· patent assignee history
2012–2013Patents assigned to HARBER NEIL VINCENT (2)· patent assignee history
2012–2013Patents assigned to KENNEDY MICHAEL EUGENE (2)· patent assignee history
2012–2013Patents assigned to ROWAN DARRELL JEFFREY (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 4 | 2008–2013 |
| GRAEVE JOSH DEAN | 2 | 2012–2013 |
| HARBER NEIL VINCENT | 2 | 2012–2013 |
| KENNEDY MICHAEL EUGENE | 2 | 2012–2013 |
| ROWAN DARRELL JEFFREYself | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dubuque, IA, US | 4 | 2008–2013 |