Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326466 | Anti-back up device for conveyor trolley | James L. Parry, Martin J. Redden | 1982-04-27 |
| 4320929 | Sealed bearing system for hydraulically operated devices | Wallace Clark | 1982-03-23 |
| 4311443 | Motor/pump transmission construction for a Moineau type apparatus | Wallace Clark | 1982-01-19 |