Granted Patent
Utility
US 4,919,261 · App. 07/354,339
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Inventors:
Jeffrey A. Lashyro, Norbert Hoell
Patented Case
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Granted: Apr 24, 1990
Filed: May 23, 1989
Inventors
Jeffrey A. Lashyro
Norbert Hoell
Assignee (at issue)
Minnesota Automation, 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.