Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256280 | Combination valve for liquid filter | Joseph Machado | 1993-10-26 |
| 5037539 | Liquid filter with bypass passage | Charles K. Hutchins, Bruce Murray Roxburgh, Richard L. McNeil, James A. Gasparri | 1991-08-06 |