Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300199 | Head for a shovel | — | 1989-03-14 |
| 4573311 | Lawn rake | William E. Portz | 1986-03-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300199 | Head for a shovel | — | 1989-03-14 |
| 4573311 | Lawn rake | William E. Portz | 1986-03-04 |