Granted Patent
Utility
US 4,286,793 · App. 06/059,398
Ice breaking and mud deflecting device for a ball screw and nut assembly
Inventors:
Helmut Ploss, Alfons Remensperger
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Jul 20, 1979
Inventors
Helmut Ploss
Alfons Remensperger
Assignee (at issue)
Warner Electric Brake & Clutch Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.