Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6382683 | High pressure gas fitting with non-rotatable features | John Albright, Kenneth W. Sawyer, Lewis L. Aldridge | 2002-05-07 |
| 6029692 | Position changeable valve handle assembly | — | 2000-02-29 |
| 5865423 | High flow diaphragm valve | Shiaw-Wen Tai | 1999-02-02 |
| 5851004 | High pressure actuated metal seated diaphragm valve | Jing-Chau Wu, Lewis L. Aldridge | 1998-12-22 |
| 5758910 | Gasket assembly for a fluid coupling | Lewis L. Aldridge | 1998-06-02 |
| 5730423 | All metal diaphragm valve | Jing-Chau Wu, Lewis L. Aldridge | 1998-03-24 |
| 5681064 | Gasket retainer | Lewis L. Aldridge | 1997-10-28 |
| 5673946 | Gasket assembly for a fluid coupling | Lewis L. Aldridge | 1997-10-07 |