Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843949 | Fluid control valve with variable pressure gain | Howard J. Lambers, Richard P. Heintz | 1989-07-04 |
| 4646786 | Fluid control valves with angled metering ports | Howard J. Lambers | 1987-03-03 |