Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9358163 | Detachable electric drive unit for a wheelchair | — | 2016-06-07 |
| 5556366 | Finger-protecting paper creaser | — | 1996-09-17 |
| 5336155 | Method for folding paper sheets | — | 1994-08-09 |
| 5203557 | Baseball base and anchor | William Weigl | 1993-04-20 |