Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683945 | Compressed natural gas (CNG) pressure regulator | Jeffrey B. Gotthelf, Christopher Tucker | 2020-06-16 |
| 10174853 | Compressed natural gas (CNG) pressure regulator | Jeffrey B. Gotthelf, Christopher Tucker | 2019-01-08 |
| 9989978 | Natural gas pressure regulator having adjustable valve seat | Gary E. Graham, Jeffrey B. Gotthelf | 2018-06-05 |