Granted Patent
Utility
US 4,690,573 · App. 06/928,214
Adjuster for thrust washer wear
Inventor:
Joseph L. Huffman
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Nov 7, 1986
Inventor
Joseph L. Huffman
Assignee (at issue)
Dresser Industries, Inc.
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.