Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543468 | Control system for water heater with external heat source | Jacob E. Shaffer, Jr., Frederick C. Tome, Jr. | 1985-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543468 | Control system for water heater with external heat source | Jacob E. Shaffer, Jr., Frederick C. Tome, Jr. | 1985-09-24 |