Granted Patent
Utility
US 5,860,553 · App. 08/921,273
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Inventor:
James R. Schubert
Patented Case
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Granted: Jan 19, 1999
Filed: Aug 29, 1997
Inventor
James R. Schubert
Assignee (at issue)
Dayton Reliable Tool & Mfg. Co.
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.