Granted Patent
Utility
US 5,210,968 · App. 07/807,761
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Inventor:
Houston Rehrig
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Dec 2, 1991
Inventor
Houston Rehrig
Assignee (at issue)
Rehrig International, 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.