Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10429213 | Monitoring instrument and easily replaceable sensor | John Golden, Roger Iacabone, Levon Khatchadourian, Adam Karlgren, Andrew J. Liptak +2 more | 2019-10-01 |
| 10139021 | Provision of predetermined fluid | Matthew Eli Carney, Leigh Shippen, Michael Kelly | 2018-11-27 |
| 6857315 | Armored tubular sight gauge with integral valves and misalignment unions | R. Darrell Miller | 2005-02-22 |
| 5442959 | Shielded tubular sight gauge | — | 1995-08-22 |
| 4693117 | Replacement element for at liquid level gauge sight tube | — | 1987-09-15 |