Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363015 | Condition responsive electrical switch construction and parts and methods therefor | Harvey J. Shopsky | 1982-12-07 |
| 4357748 | Fluid flow sensing switch device method of making the same | Roy C. Demi | 1982-11-09 |
| 4274546 | Condition responsive electrical switch construction and parts and methods therefor | Harvey J. Shopsky | 1981-06-23 |
| 4242082 | Fluid flow sensing switch device | Roy C. Demi | 1980-12-30 |
| 4194102 | Condition responsive electrical switch construction and parts and methods therefor | Harvey J. Shopsky | 1980-03-18 |