Granted Patent
Utility
US 5,152,016 · App. 07/532,432
Transfer board
Inventor:
Danny L. Becker
Patented Case
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Granted: Oct 6, 1992
Filed: Jun 4, 1990
Inventor
Danny L. Becker
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.