Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231810 | Ceiling board aperture | Barry Buhay, Walter Chamberlain | 1993-08-03 |
| 5165209 | Transition element | Wesley T. K. Bischel, Martin L. Graver, James F. Mathis | 1992-11-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231810 | Ceiling board aperture | Barry Buhay, Walter Chamberlain | 1993-08-03 |
| 5165209 | Transition element | Wesley T. K. Bischel, Martin L. Graver, James F. Mathis | 1992-11-24 |