Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073919 | Stand for chain vise | Floyd E. Hammit, James R. McCollom | 2000-06-13 |
| 5519215 | Plasma mass spectrometry | Ian Turner | 1996-05-21 |
| 4867333 | High-pressure pin plug | Robert J. Kolp, Jeffrey C. Dickey | 1989-09-19 |
| 4766924 | Pressure relief valve | Leighton Lee, II | 1988-08-30 |