Granted Patent
Utility
US 4,900,619 · App. 07/371,156
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Inventors:
Henry S. Ostrowski, Roy D. Goodwin, William Jackson, Jay Darrell Gillespie
Patented Case
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Granted: Feb 13, 1990
Filed: Oct 17, 1988
Inventors
Henry S. Ostrowski
Roy D. Goodwin
William Jackson
Jay Darrell Gillespie
Assignee (at issue)
James River Corporation
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.