Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307655 | Convertible blower and vacuum | Darrell W. Hinklin | 1990-05-01 |
| 4694528 | Convertible vacuum-blower | Robert C. Comer, Wilbur J. Hampel | 1987-09-22 |
| 4263456 | Process of preparing styrenated diphenylamine | — | 1981-04-21 |