Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443660 | Method and system for manipulating an object located underwater | Perry Smith, Mark van Emmerik, Jeff Ledda, Steve Wright | 2002-09-03 |
| RE36808 | Portable life support system | — | 2000-08-08 |
| 5906100 | Dewar for storing and delivering liquid cryogen | Paul David Duncan, John Fricker, Charles L. Hethcoat, III, Rick C. Hunter, Paul Robinson | 1999-05-25 |
| 5619857 | Dewar for storing and delivering liquid cryogen | Paul David Duncan, John Fricker, Rick C. Hunter | 1997-04-15 |
| 5438837 | Apparatus for storing and delivering liquid cryogen and apparatus and process for filling same | Paul David Duncan | 1995-08-08 |
| 5365745 | Portable life support system | — | 1994-11-22 |
| 5361591 | Portable life support system | — | 1994-11-08 |