Granted Patent
Utility
US 4,961,339 · App. 07/365,150
Device for testing articles of clothing for waterproofness
Inventors:
Rudolf Kleis, Gerd Ziegler
Patented Case
View Patent ↗
Granted: Oct 9, 1990
Filed: Jun 12, 1989
Inventors
Rudolf Kleis
Gerd Ziegler
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.