Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684076 | Retractable clothesline device | — | 1987-08-04 |
| 4470558 | Retractable clothesline device | — | 1984-09-11 |
| 4440264 | Locking assembly for a folding seat | Silas J. Knoke | 1984-04-03 |
| 4362309 | Trash can hauler | — | 1982-12-07 |
| 4320817 | Combined chair and stool apparatus | Silas J. Knoke | 1982-03-23 |