Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681584 | Method and apparatus for cooling and cleaning air | — | 2004-01-27 |
| 6122922 | Method and apparatus for cooling air and water | — | 2000-09-26 |
| 5911745 | Method and apparatus for cooling air and water | — | 1999-06-15 |
| 5778696 | Method and apparatus for cooling air and water | — | 1998-07-14 |
| 4992675 | Adaptive threshold control circuit | Robert J. Burdge | 1991-02-12 |
| 4837575 | Identification system | — | 1989-06-06 |
| 4691692 | Solar energy system with delayed drain-back | John M. Conner | 1987-09-08 |
| 4450445 | Range rate dependent pulse control apparatus and method therefor | Robert N. Nelson | 1984-05-22 |
| 4195297 | Short range radar tracking apparatus | — | 1980-03-25 |