Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820646 | Inline filter apparatus | Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Fred H. Wahlquist | 1998-10-13 |
| D396098 | Conical filter | Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Steven A. Carter | 1998-07-14 |
| 5772883 | Slanted inline filter | Gary R. Gillingham, Wayne M. Wagner, Joseph C. Tokar, Daniel T. Risch, Fred H. Wahlquist +1 more | 1998-06-30 |
| 5616171 | Pulse jet filter cleaning system | Marty Barris, Thomas M. Weik, Kelly C. Robertson, Donald R. Monson, Pete A. Betts | 1997-04-01 |