Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767432 | Drill alignment device | Tressie L. Hewitt | 2020-09-08 |
| D837272 | Holder for a drill alignment device | Tressie L. Hewitt | 2019-01-01 |
| 5094798 | Manufacture of lightweight structural profile | — | 1992-03-10 |
| 4481701 | Cored plastics profiles and manufacture of frames for windows and the like therefrom | — | 1984-11-13 |
| 4420920 | Cored plastics profiles and manufacture of frames for windows and the like therefrom | — | 1983-12-20 |