Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654287 | Dual slide gate valve and method for using same | Greg P. Metzger, Fred O. Enstrom, Scott W. Randolph, Duane R. Condon, Thomas L. Kendall +1 more | 2010-02-02 |
| 7621487 | Twist-lock base for pipe holders | Larry D. Brown | 2009-11-24 |
| 7398675 | Dual slide gate valve and method for using same | Greg P. Metzger, Fred O. Enstrom, Scott W. Randolph, Duane R. Condon, Thomas L. Kendall +1 more | 2008-07-15 |
| 7377472 | Pipe and cable holder | Larry D. Brown | 2008-05-27 |
| 6997041 | Dual slide gate valve and method for using same | Greg P. Metzger, Fred O. Enstrom, Scott W. Randolph, Duane R. Condon, Thomas L. Kendall +1 more | 2006-02-14 |
| 6655413 | Method and apparatus for pressure testing pipe lines | Duane R. Condon, Thomas L. Kendall, Larry D. Brown, Scott W. Randolph | 2003-12-02 |
| 6019253 | Bag and box valve system | David Frederick Gillard, Anthony John Madormo | 2000-02-01 |
| 5944300 | Bag and box valve system | David Frederick Gillard, Anthony John Madormo | 1999-08-31 |
| 5413096 | Regulator with improved high pressure seat due to a plastic-covered valve body | — | 1995-05-09 |
| 5184609 | Divers first stage adjustable regulator | — | 1993-02-09 |
| 4856120 | Dive mask | — | 1989-08-15 |
| D297156 | Inflator for buoyancy compensator | Robert L. Applegate, Dean R. Garraffa | 1988-08-09 |
| 4668016 | Mining machine with adjustable jib | — | 1987-05-26 |
| 4230140 | Environmental first stage scuba regulator | — | 1980-10-28 |
| 4227521 | Air system for scuba diving | Masaru Shiroishi | 1980-10-14 |