Granted Patent
Utility
US 4,560,131 · App. 06/537,019
Anchor stand
Inventor:
Leonard F. Eck
Patented Case
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Granted: Dec 24, 1985
Filed: Sep 29, 1983
Inventor
Leonard F. Eck
Assignee (at issue)
Hein-Werner Corporation
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.