Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10924148 | Bumperband and clamshell assembly for protecting a cell phone subhousing | Elvin M. Peprah, David W. Tarr | 2021-02-16 |
| 4715155 | Keyable composite joist | — | 1987-12-29 |
| 4702059 | Joist system for forming concrete slabs | — | 1987-10-27 |
| 4660341 | Composite structure | — | 1987-04-28 |
| 4549381 | Composite joist system | — | 1985-10-29 |