Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111643 | Apparatus and fastener supply strip for attaching reclosable fastener to plastic bags | — | 1992-05-12 |
| 5042319 | Split bearing eccentric drive | Douglas K. Frotzmann | 1991-08-27 |