Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646413 | Tube extractor drill jig | William E. Sandford | 1987-03-03 |
| 4586407 | Lathe tool for removing axial peripheral irregularity from surface of cylindrical workpiece | — | 1986-05-06 |
| D281249 | Tube cutter | Benny T. Hamasaki | 1985-11-05 |
| 4493232 | Adjustable mandrel for portable lathe | — | 1985-01-15 |
| 4483223 | Portable lathe | Richard E. Miller | 1984-11-20 |
| 4483522 | Adjustable mandrel for supporting tubular workpieces | Richard E. Miller | 1984-11-20 |
| 4434689 | Cutter head drive shaft for portable tube end preparation tool | Richard E. Miller | 1984-03-06 |