Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856711 | Double seal thermostat | James J. Grinsteiner | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856711 | Double seal thermostat | James J. Grinsteiner | 1989-08-15 |