Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681471 | Kit comprising multicolored fluid dispenser markers together with eradicating fluid dispenser, stamps and stamp pad | Leon Hayduchok | 1987-07-21 |
| 4357731 | Door closer with hold open feature | — | 1982-11-09 |