Granted Patent
Utility
US 4,286,747 · App. 06/113,025
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Inventor:
Robert F. Deike
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Jan 17, 1980
Inventor
Robert F. Deike
Assignee (at issue)
Foresight 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.