Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213986 | Liquid flow rate control device | — | 2001-04-10 |
| 5923174 | Device for measuring electromagnetic radiation absorption | — | 1999-07-13 |
| 5730730 | Liquid flow rate control device | — | 1998-03-24 |
| 5698978 | System and method for measuring electromagnetic radiation absorption | Hoai Le, Thai Le Khac | 1997-12-16 |
| 5574379 | System for measuring electromagnetic properties | — | 1996-11-12 |
| 5393557 | Method for measuring electromagnetic properties | — | 1995-02-28 |
| 5268062 | Method and apparatus for carbon coating and boron-doped carbon coating a porous refractory substrate | — | 1993-12-07 |
| 5141595 | Method and apparatus for carbon coating and boron-doped carbon coating | — | 1992-08-25 |
| 4687207 | Method of manipulating playing pieces | — | 1987-08-18 |
| 4615812 | Filter housing for closed fluid circulating system | — | 1986-10-07 |
| 4560164 | Toy puzzle | — | 1985-12-24 |
| 4436090 | Piston actuated, pilot valve operated breathing regulator | — | 1984-03-13 |
| 4379656 | Buoyancy control valve for scuba diving vests | — | 1983-04-12 |