| 11047643 |
Ballistic chain cutting device |
Mark Ferris |
2021-06-29 |
| 10724826 |
Ballistic chain cutting device |
Mark Ferris |
2020-07-28 |
| RE47850 |
Ballistic system and method for cutting a multi-link metal chain |
Mark Ferris, Bert Vermeulen |
2020-02-11 |
| 9569980 |
Security door breach training system |
George Wyatt Tubb |
2017-02-14 |
| 9372048 |
Ballistic system and method for cutting a multi-link metal chain |
Mark Ferris, Bert Vermeulen |
2016-06-21 |
| 9208694 |
Security door breach training system |
George Wyatt Tubb |
2015-12-08 |
| 8919046 |
Explosive breach training system |
— |
2014-12-30 |
| 8720117 |
Explosive breach training system |
— |
2014-05-13 |
| 8128408 |
Door breach training system |
Jeff Wright, Jeff Lambert |
2012-03-06 |
| 7900538 |
Packable battering ram |
Jeff Wright, Jeff Lambert |
2011-03-08 |
| 7676975 |
Tactical foregrip assembly |
Mark Ferris, Arthur F. Gonthier |
2010-03-16 |
| 7337515 |
Hybrid breaching bar |
Jeff Wright, Craig Staff |
2008-03-04 |
| 6877988 |
Door breach training system and method of use |
Jeff Wright |
2005-04-12 |
| 5743677 |
Subsea multi-segmented pile gripper |
William J. Eldridge, Larry V. Spalding |
1998-04-28 |
| 5716166 |
Offshore retrofit of barge bumper systems |
William J. Eldridge, Larry V. Spalding |
1998-02-10 |