Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9375669 | Air filtration apparatus | — | 2016-06-28 |
| 7004011 | Leak detector | — | 2006-02-28 |
| 6651454 | Flex port base for swimming pool and spa heat pumps | — | 2003-11-25 |
| 6213405 | Supplemental heat source | — | 2001-04-10 |
| 5551290 | Leak detector | — | 1996-09-03 |
| 4252773 | Safety chemical cartridge | Robert B. Spiegel | 1981-02-24 |