Granted Patent
Utility
US 4,874,003 · App. 06/562,460
Flitch washer
Inventor:
George Weil
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Dec 16, 1983
Inventor
George Weil
Assignee (at issue)
David R. Webb Co., 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.