Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157777 | Heater assembly for a fluid conduit with an integral heater | Michael Persinger | 2000-12-05 |
| 6015027 | Escape ladder assembly | — | 2000-01-18 |
| 4845486 | Residential fuel-oil level reporting and alarm system | John D. Knight, Robert D. Shapiro, Andrew Mitchell, Barry S. Sunray, Robert A. DeFrancesco | 1989-07-04 |