Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697330 | Power-vented, direct-vent water heater | Michael Edward Yetman, Jacob H. Hall | 1997-12-16 |
| 5197665 | Water heater | Theodore Slone | 1993-03-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697330 | Power-vented, direct-vent water heater | Michael Edward Yetman, Jacob H. Hall | 1997-12-16 |
| 5197665 | Water heater | Theodore Slone | 1993-03-30 |