Granted Patent
Utility
US 5,333,697 · App. 07/992,465
Flip block assembly for changing dozer blade pitch
Inventors:
Claude M. Frisbee, Ronald H. Werner
Patented Case
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Granted: Aug 2, 1994
Filed: Dec 17, 1992
Inventors
Claude M. Frisbee
Ronald H. Werner
Assignee (at issue)
Case GmbH
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.