Granted Patent
Utility
US 4,386,948 · App. 06/304,515
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Inventors:
Pradip V. Choksi, Alan A. Davidner, Claude Vidal
Patented Case
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Granted: Jun 7, 1983
Filed: Sep 21, 1981
Inventors
Pradip V. Choksi
Alan A. Davidner
Claude Vidal
Assignee (at issue)
American Hospital Supply Corp.
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.