Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D278203 | Bottle cap opener | — | 1985-04-02 |
| 4498206 | Vacuum head for cleaning underwater surfaces | — | 1985-02-12 |
| 4231386 | Differential pressure relief valve | — | 1980-11-04 |
| 4231548 | Balance valve disc and seat structure | — | 1980-11-04 |
| 4216902 | Thermostatic control valve | — | 1980-08-12 |
| 4185656 | Dual check valve structure | — | 1980-01-29 |