Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324082 | Metal stud | Edward J. Rutkowski, Carl R. Mapes, Jack A. Dawdy | 1982-04-13 |
| 4279081 | Wallboard T-square | Richard E. Smith | 1981-07-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324082 | Metal stud | Edward J. Rutkowski, Carl R. Mapes, Jack A. Dawdy | 1982-04-13 |
| 4279081 | Wallboard T-square | Richard E. Smith | 1981-07-21 |