Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146717 | Rotating tool | William Z. Gelbart | 1992-09-15 |
| 5119602 | Pipe fitting reamer | — | 1992-06-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146717 | Rotating tool | William Z. Gelbart | 1992-09-15 |
| 5119602 | Pipe fitting reamer | — | 1992-06-09 |