Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721066 | Self-adjusting fail safe friction heater system | William E. Newman, Sr. | 1988-01-26 |
| 4554906 | Tankless friction boiler system | William E. Newman, Sr. | 1985-11-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721066 | Self-adjusting fail safe friction heater system | William E. Newman, Sr. | 1988-01-26 |
| 4554906 | Tankless friction boiler system | William E. Newman, Sr. | 1985-11-26 |