Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322924 | Ceiling tile trimming tool | Melvin H. Shaub | 1992-01-07 |
| 4920719 | Method and apparatus of positioning a new ceiling over an existing ceiling | Melvin H. Shaub | 1990-05-01 |