Granted Patent
Utility
US 5,563,881 · App. 08/501,762
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Inventors:
Roberto Perelman, Mark E. Kaminsky
Patented Case
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Granted: Oct 8, 1996
Filed: Jul 13, 1995
Inventors
Roberto Perelman
Mark E. Kaminsky
Assignee (at issue)
Rolm Company
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.