Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D411021 | Metal wall stud | Lawrence Thomas Chapman | 1999-06-15 |
| 5904025 | Method for reinforcing a structural frame | Larry Thomas Chapman | 1999-05-18 |
| 5842318 | Lumber-compatible lightweight metal construction system | by Donna Bass, executor | 1998-12-01 |
| 5692353 | Lumber-compatible lightweight metal construction system | by Donna Bass, executor | 1997-12-02 |
| 5664388 | Structural shear resisting member and method employed therein | Larry Thomas Chapman | 1997-09-09 |
| 5499480 | Lightweight metal truss and frame system | — | 1996-03-19 |