Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8333441 | Motor vehicle braking system and method | Steven Randall Lovell, Lawrence D. Hasfjord, Byron J. Dunham | 2012-12-18 |
| 6382591 | Plug valve assembly | Robert Joseph Brown, Royce Chaffin, Donnie Ray Hammock, Gerald Patrick McDermott | 2002-05-07 |
| 6319261 | Electrohydraulic lithotripsy basket | — | 2001-11-20 |
| 6183636 | Filter assembly mounted in sink counter top | Troy W. Livingston, Steve Sang Joon Park | 2001-02-06 |
| 6135151 | Valve cartridge | Troy W. Livingston, Steve Sang Joon Park | 2000-10-24 |
| 5983938 | Combined faucet and filter assembly | Troy W. Livingston, Steve Sang Joon Park | 1999-11-16 |
| 5746417 | Adjustable ball valve | Robert Joseph Brown, Royce Chaffin, Donnie Ray Hammock, Gerald Patrick McDermott | 1998-05-05 |
| 5409241 | Positive drive compensating shaft seal | — | 1995-04-25 |
| 5207230 | Spiral sensor | — | 1993-05-04 |
| 4822056 | Adjustable rotary shaft seal | — | 1989-04-18 |
| 4809992 | Rotary shaft seal assembly | Dennis E. Kemp, Jr. | 1989-03-07 |
| 4802485 | Sleep apnea monitor | Gunther W. Kienle | 1989-02-07 |
| 4537150 | Data entry systems | — | 1985-08-27 |
| 4399821 | Free moving animal physiological monitoring and identification system and method | — | 1983-08-23 |