Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840525 | Fastener restrainer for framing system | — | 1989-06-20 |
| 4784552 | Nuts for channeled structural members | — | 1988-11-15 |
| 4616799 | Automatic recovery swing sign structure | — | 1986-10-14 |
| 4575295 | Fastener for channeled structural members | — | 1986-03-11 |
| 4277923 | Support pedestal assembly for a raised floor system | Ellwood Irish | 1981-07-14 |
| 4278228 | Collapsible support structures | Thomas Tuday | 1981-07-14 |