Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490891 | Draw bolt assemblies | Robert W. Stringer | 2002-12-10 |
| 6474116 | Combination lock with dual locking means | — | 2002-11-05 |
| 6453974 | Adjustable window blind cord stopper | John W. Lai | 2002-09-24 |
| 6439584 | Roller-skating boot | — | 2002-08-27 |
| 6408660 | Combined luggage tag and locking system | — | 2002-06-25 |
| D451002 | Pushbutton combination padlock and key system | — | 2001-11-27 |
| D450015 | Mini exercise cycle for losing weight | — | 2001-11-06 |
| D448273 | Dual locking luggage tag | — | 2001-09-25 |
| D439825 | Combination padlock with enlarged dials | — | 2001-04-03 |
| D439824 | Combination padlock with locking cable | — | 2001-04-03 |
| 6164096 | Housing construction for rotating dial combination padlocks | — | 2000-12-26 |
| 6035672 | Combination padlock construction with positive visual indicator | — | 2000-03-14 |
| 6029481 | Combination padlock construction with manual activation | — | 2000-02-29 |
| 5715709 | Combination lock construction | — | 1998-02-10 |
| 5453162 | Method and apparatus for gel electrophoresis using two electric fields | Chandran R. Sabanayagam, George M. Holzwarth | 1995-09-26 |
| 5178737 | Electrophoretic resolution of single strand DNA by asymmetric field inversion | — | 1993-01-12 |
| 5112319 | Infusion alarm system | — | 1992-05-12 |
| 5084157 | Gel electrophoresis using time dependent contour controlled electric fields | Steven M. Clark | 1992-01-28 |
| 4224533 | Edge triggered flip flop with multiple clocked functions | — | 1980-09-23 |