Granted Patent
Utility
US 5,783,086 · App. 08/701,142
Filter for a wet/dry vacuum cleaner for wet material collection
Inventors:
John J. Scanlon, Raymond M. Wnenchak, Richard W. Giannetta
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Aug 21, 1996
Inventors
John J. Scanlon
Raymond M. Wnenchak
Richard W. Giannetta
Assignee (at issue)
W. L. Gore & Associates, 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.