Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857195 | Liquid filter with a distorting portion for transmitting hydraulic forces | Peter Brownell, Robert Gabrielson | 1989-08-15 |
| 4853118 | Liquid filter | Peter Brownell, Robert Gabrielson | 1989-08-01 |