Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8216189 | Continuous gas flow trocar assembly | Jack Stubbs, Ronald J. Thompson, Donald N. Halgren, Michael J. Campbell | 2012-07-10 |
| 7413559 | Gas flow trocar arrangement | Jack Stubbs, Ronald J. Thompson, Donald N. Halgren, Michael J. Campbell | 2008-08-19 |
| 7338473 | Pneumoseal trocar arrangement | Michael J. Campbell, Donald N. Halgren, Ken Parker, Jack Stubbs, Ronald J. Thompson | 2008-03-04 |
| 7285112 | Gas flow trocar arrangement | Jack Stubbs, Ronald J. Thompson, Donald N. Halgren, Michael J. Campbell | 2007-10-23 |
| 7182752 | Continuous gas flow trocar assembly | Jack Stubbs, Ronald J. Thompson, Donald N. Halgren, Michael J. Campbell | 2007-02-27 |
| 6907677 | Stable LVDT extensometer | — | 2005-06-21 |
| 5877432 | Magnetostrictive actuator | James R. Sebastian | 1999-03-02 |
| 5719339 | Magnetostrictive, mass isolated, non-resonant, high frequency/low frequency mechanical test system | James R. Sebastian | 1998-02-17 |