Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168815 | Railroad car moving vehicle | Robert E. Crockett | 1992-12-08 |
| 4427026 | Limit control for an operating member | Henry Ejchler | 1984-01-24 |
| 4301834 | Adjustment method pipelayer control system | Henry Ejchler | 1981-11-24 |
| 4240614 | Sheave block and seal assembly therefor | — | 1980-12-23 |