Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942529 | Lift truck control systems | Isaac Avitan, Ralph E. Allen, David L. Kellogg, Stephen Page | 1990-07-17 |
| 4583495 | Wood fired quick recovery water heater | Richard Hill, Richard F. Kasper, Arthur R. Pete | 1986-04-22 |