Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D269759 | Drive fastener shank | — | 1983-07-19 |
| 4393551 | Rotatably engaging head for fastener | Richard J. Schwind | 1983-07-19 |
| 4377358 | Expansion fastner | — | 1983-03-22 |
| 4375342 | Two-piece plastic fastener | Richard J. Schwind | 1983-03-01 |
| D268006 | Drive fastener | — | 1983-02-22 |