Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8602960 | K-Ring electromagnetic treatment apparatus, system and method for tumors, arthritis and other ailments | — | 2013-12-10 |
| 5860596 | Automatic temperature controlled shower head assembly | — | 1999-01-19 |
| 5779539 | Static venting system | — | 1998-07-14 |
| 5538293 | Secondary duct installation apparatus and method for a forced air ventilation system | — | 1996-07-23 |
| 5518495 | Magnetic field therapy apparatus | — | 1996-05-21 |
| 5080005 | Passive building vents | — | 1992-01-14 |
| 4697736 | Automatic damper assembly | — | 1987-10-06 |
| 4596181 | Passive building vents | — | 1986-06-24 |
| 4591092 | Energy saver damper assembly | — | 1986-05-27 |
| 4586654 | Energy saver damper assembly | — | 1986-05-06 |
| 4582250 | Automatic damper assembly | — | 1986-04-15 |
| 4567816 | Unidirectional vent | — | 1986-02-04 |
| 4557183 | Incrementally adjustable vent | — | 1985-12-10 |
| 4520959 | Energy saver damper assembly | — | 1985-06-04 |
| 4507922 | Thermostatic assembly | — | 1985-04-02 |
| 4501389 | Automatic damper assembly | — | 1985-02-26 |
| 4466402 | Automatic switch assembly | — | 1984-08-21 |
| 4416415 | Automatic damper assembly | — | 1983-11-22 |
| 4402455 | Automatic fluid control assembly | — | 1983-09-06 |
| 4210277 | Automatic roof ventilator | — | 1980-07-01 |