Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078561 | Plastic expansion nut | Burnell J. Wollar | 1992-01-07 |
| 4762450 | Damage resistant plastic expansion nut and screw therefor | Joseph Bart, Burnell J. Wollar | 1988-08-09 |
| 4740123 | Re-usable expandable plastic nut for two-piece fastener | Burnell J. Wollar | 1988-04-26 |
| 4674931 | Fastener with plastic U-nut | Joseph Bart, Burnell J. Wollar | 1987-06-23 |
| 4610587 | Reusable two-piece fastener | Burnell J. Wollar | 1986-09-09 |
| 4571134 | Two-piece plastic fastener and apparatus for molding same | Gregory O. Beglinger, Edward P. Massof | 1986-02-18 |
| 4556351 | Expansion rivet assembly | Burnell J. Wollar | 1985-12-03 |
| 4402556 | Roller assembly for dishwasher rack | — | 1983-09-06 |
| 4393551 | Rotatably engaging head for fastener | Burnell J. Wollar | 1983-07-19 |
| 4375342 | Two-piece plastic fastener | Burnell J. Wollar | 1983-03-01 |