Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D284786 | Valve handle | Donald W. Doman, Mark D. Van De Wege | 1986-07-22 |
| D284687 | Escutcheon for plumbing fitting | Donald W. Doman | 1986-07-15 |
| 4489358 | Light weight chassis and cabinet assembly for magnetic tape recorder | David G. Hart | 1984-12-18 |
| 4391186 | Cotton press | — | 1983-07-05 |