Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951721 | Oil drain funnel | Nobel Linn, Jr. | 1990-08-28 |
| 4800933 | Funnel and tool with cutting attachment for removing plug from vehicle oil pan | Nobel Linn, Jr. | 1989-01-31 |
| D263382 | Toy train whistle | — | 1982-03-16 |
| D263383 | Toy train whistle | — | 1982-03-16 |