Issued Patents All Time
Showing 126–134 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074437 | Pinch trigger pump water gun | Bruce M. D'Andrade | 1991-12-24 |
| 4757946 | Flow actuated pulsator | — | 1988-07-19 |
| 4724683 | Johnson tube, a thermodynamic heat pump | — | 1988-02-16 |
| 4591071 | Squirt gun | — | 1986-05-27 |
| 4509361 | Soil moisture potential determination by weight measurement | — | 1985-04-09 |
| 4476693 | Thermal energy accumulation | — | 1984-10-16 |
| 4253606 | Automatic sprinkler control | — | 1981-03-03 |
| 4211362 | Smoke detecting timer controlled thermostat | — | 1980-07-08 |
| 4181843 | Variable resistance type sensor controlled switch | — | 1980-01-01 |