Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5564364 | Pet litter box with automatic exhaust system | Ronald K. Kovacs | 1996-10-15 |
| 5153805 | Temperature-compensated thermal protector | James A. Tennant | 1992-10-06 |
| 4948931 | Combined pressure cutoff and pressure relief valve | Ronald A. Nixon | 1990-08-14 |
| 4901186 | Temperature compensated thermal protector | James A. Tennant | 1990-02-13 |
| 4841274 | Temperature responsive probe apparatus | Kenneth C. Day | 1989-06-20 |
| 4837547 | Thermal cutoff assembly | Ronald A. Nixon | 1989-06-06 |
| 4831354 | Polymer type PTC assembly | — | 1989-05-16 |
| 4342981 | Thermally actuatable electrical switch construction, conductive lead therefor and methods of making the same | — | 1982-08-03 |