Inventor
Richard H. Ferneau
Inventor
Washington Court House, OH, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Gprimary
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons73%
B62BHand-propelled vehicles, e.g. hand carts or perambulators27%
PatentTitleYear
7,302,718'Multiple level roll-in cot'20077,131,151'Multiple level roll-in cot'20066,701,545'Multiple level roll-in cot'20044,767,148'Multiple level roll-in cot'19884,405,172'High deck ambulance cart'19834,192,541'Cart having extensible auxiliary wheels'19804,052,097'Cart for high deck ambulances'19773,980,334'All level cart with swivel casters'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to WEIL BURT (3)· patent assignee history
1976–2007Based in Washington Court House, OH, US· patent location history
1983Patents assigned to ADLER MARIANNE (1)· patent assignee history
1988–2007Patents assigned to FERNO WASHINGTON (4)· patent assignee history
1988Based in Wilmington, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FERNO WASHINGTON | 4 | 1988–2007 |
| WEIL BURT | 3 | 1976–1980 |
| ADLER MARIANNE | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington Court House, OH, US | 7 | 1976–2007 |
| Wilmington, OH, US | 1 | 1988 |