Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197864 | On-off pressure cutoff control for a variable displacement hydraulic pump | Stephen V. Lunzman, Lonnie J. Devier | 1993-03-30 |
| 5182908 | Control system for integrating a work attachment to a work vehicle | Lonnie J. Devier, Stephen V. Lunzman, Howard A. Marsden | 1993-02-02 |
| 5064005 | Impact hammer and control arrangement therefor | — | 1991-11-12 |
| 4900093 | Impact ripper and control | Jerry D. Fidler | 1990-02-13 |
| 4834461 | Control system for a multiple shank impact ripper | Jerry D. Fidler, Michael A. Roussin | 1989-05-30 |
| 4825960 | Synchronized hydraulic hammer arrangement | — | 1989-05-02 |