Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557831 | Centrifugal filter assembly | Frederick E. Lindsay | 1985-12-10 |
| 4346009 | Centrifugal spin-on filter or separator | Robert J. Shaltis | 1982-08-24 |
| 4284504 | Centrifugal spin-on filter or separator and method of making and assembling the same | Robert J. Shaltis | 1981-08-18 |