Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828439 | Screw anchor | — | 1989-05-09 |
| 4828445 | Single-piece pre-shaped wall anchor | — | 1989-05-09 |
| 4763456 | Roof anchor and stress plate assembly | — | 1988-08-16 |
| 4732520 | Non-rotating toggle bolt assembly | — | 1988-03-22 |
| 4668144 | Non-rotating toggle bolt assembly | — | 1987-05-26 |
| D288778 | Load-bearing plate | — | 1987-03-17 |
| 4616968 | Non-rotating toggle bolt assembly | — | 1986-10-14 |
| 4574551 | Load-bearing plate | — | 1986-03-11 |
| 4537541 | Anchor bolt assembly | — | 1985-08-27 |
| 4330230 | Anchor bolt assembly | — | 1982-05-18 |
| 4274324 | Hollow wall screw anchor | — | 1981-06-23 |
| 4197781 | Screw anchor | — | 1980-04-15 |
| 4195547 | Anchor bolt assembly | — | 1980-04-01 |