Granted Patent
Utility
US 4,248,311 · App. 06/026,111
Side shift blade arrangement
Inventors:
Claude M. Frisbee, Rudolf Horsch
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Apr 2, 1979
Inventors
Claude M. Frisbee
Rudolf Horsch
Assignee (at issue)
J. I. Case 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.