Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845486 | Residential fuel-oil level reporting and alarm system | John D. Knight, Robert D. Shapiro, Frank Banks, Andrew Mitchell, Robert A. DeFrancesco | 1989-07-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845486 | Residential fuel-oil level reporting and alarm system | John D. Knight, Robert D. Shapiro, Frank Banks, Andrew Mitchell, Robert A. DeFrancesco | 1989-07-04 |