Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9541218 | Universal indicator post | Philip A. Liles | 2017-01-10 |
| 9447906 | Self-locking push-to-connect insert | David A. Bobo, James LaFortune, Derek Oldsen, Paul Frische-Mouri, Robert B. Kelsey | 2016-09-20 |
| 4646578 | Molten metal sampling device | Dennis A. Lawrenz | 1987-03-03 |
| 4643032 | Frangible molten metal sampling device | Dennis A. Lawrenz | 1987-02-17 |
| 4624149 | Sampling tube | Dennis A. Lawrenz | 1986-11-25 |