Inventor
Rayment G. Koopmans
Inventor
Fox Lake, WI, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Jprimary
B21JForging25%
B30BPresses in general25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
4,930,334'Quick change structure for trim die'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to DEERE & CO (1)· patent assignee history
1990Based in Fox Lake, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEERE & CO | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fox Lake, WI, US | 1 | 1990 |