Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671654 | Sealed spring brake actuator | — | 1997-09-30 |
| 5640894 | Method of assembly for tamper-resistant brake actuator | Richard F. Zarybnicky, Sr. | 1997-06-24 |
| 5636562 | Spring brake actuator with release tool requiring limited axial space | Graydon J. Choinski, Richard F. Zarybnicky, Sr. | 1997-06-10 |
| 5632192 | Spring brake actuator with indicator for fully released condition | Emmett S. Davis | 1997-05-27 |
| 5623863 | Dual-thread release bolt for spring brake actuator | — | 1997-04-29 |