Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9798331 | Multi-stage back pressure regulators and associated devices, systems, and methods | Mark W. Kirchner | 2017-10-24 |
| 9122282 | Multi-stage back pressure regulators and associated devices, systems, and methods | Mark W. Kirchner | 2015-09-01 |