Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623550 | Apparatus for controlling air quality | Dipak I. Shah, Chin-Hsiung Chang, Ronald P. Rohrbach, Peter D. Unger, Stephen Yates +2 more | 2003-09-23 |
| 6428608 | Method and apparatus for controlling air quality | Dipak J. Shah, Chin-Hsiung Chang, Ronald P. Rohrbach, Peter D. Unger, Stephen Yates +2 more | 2002-08-06 |
| 6217441 | Method and apparatus for sealing building ductwork during chemical or biological attack | A. Noel J. Pearman, Thomas B. Cunningham | 2001-04-17 |
| 6164491 | Pneumatic product vending system and product loader therefor | Rafael T. Bustos | 2000-12-26 |
| 5725124 | Product vending and pneumatic delivery system and method | Rafael T. Bustos | 1998-03-10 |
| 5611442 | Gondola rack modular stacking system | — | 1997-03-18 |
| D365947 | Merchandising display rack | — | 1996-01-09 |
| 5477971 | Gondola rack modular stacking system | — | 1995-12-26 |
| 4924401 | Aircraft ground collision avoidance and autorecovery systems device | Gregory W. Bice, Mark Skoog | 1990-05-08 |
| D298530 | Control console for electronic security system | Victor J. Vogel | 1988-11-15 |