Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009779 | Magnetic element with magnesium coil for filter | — | 1991-04-23 |
| 4642183 | Oil filter | — | 1987-02-10 |
| 4509499 | Energy efficient damper for a furnace | — | 1985-04-09 |
| 4501660 | Oil filter | — | 1985-02-26 |
| 4449512 | Energy efficient damper for a furnace | — | 1984-05-22 |
| 4438943 | Fifth wheel safety device for tractor trailers | — | 1984-03-27 |