Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D264173 | Powered implement handle | Wilbur J. Hampel, Robert W. Johnson, Douglas W. Smith | 1982-05-04 |
| D260898 | Snow thrower housing | Robert Chieda, Robert W. Johnson, Douglas W. Smith | 1981-09-22 |