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Patent applications and USPTO patent grants for Frink Sno-Plows.The latest application filed is for "hydraulically operated front and rear wing hangers for snow plows".
Patent | Date |
---|---|
Hydraulically operated front and rear wing hangers for snow plows Grant 4,045,892 - Farrell September 6, 1 | 1977-09-06 |
Operating and shock cylinder assembly for vehicle underbody scrapers and the like Grant 4,031,966 - Farrell June 28, 1 | 1977-06-28 |
Blade rotating, blade tripping and shock absorbing hydraulic cylinder for scraper-type snow plows Grant 3,893,518 - Farrell July 8, 1 | 1975-07-08 |
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