Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731914 | Method for manufacturing an electrohydraulic valve assembly | Kenneth W. Zeuner, Thomas A. Zeuner | 1988-03-22 |
| 4671488 | Reversing orifice assembly for a solenoid operated valve assembly | Kenneth W. Zeuner, Thomas A. Zeuner | 1987-06-09 |
| 4649956 | Proportional follower spool valve system | Kenneth W. Zeuner, Thomas A. Zeuner | 1987-03-17 |
| 4651118 | Proportional solenoid | Kenneth W. Zeuner, Thomas A. Zeuner | 1987-03-17 |
| 4638974 | Electrohydraulic valve assemblies and method | Kenneth W. Zeuner, Thomas A. Zeuner | 1987-01-27 |
| 4589437 | Reel speed valve assembly | Kenneth W. Zeuner, Thomas A. Zeuner | 1986-05-20 |