Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855041 | Fluid filter drain assembly | Steve A. Neff | 1989-08-08 |
| 4836923 | Cartridge and cover assembly for fluid filters | Peter Popoff, Walter H. Stone | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855041 | Fluid filter drain assembly | Steve A. Neff | 1989-08-08 |
| 4836923 | Cartridge and cover assembly for fluid filters | Peter Popoff, Walter H. Stone | 1989-06-06 |