Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041463 | Hand held sweeper | — | 2000-03-28 |
| 5292143 | Bicycle drop-out and method of attachment | William E. Shaffer | 1994-03-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041463 | Hand held sweeper | — | 2000-03-28 |
| 5292143 | Bicycle drop-out and method of attachment | William E. Shaffer | 1994-03-08 |