Granted Patent
Utility
US 4,918,981 · App. 07/263,931
Method for measuring moisture vapor transmission rate in wearing apparel
Inventor:
Robert W. Gore
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Oct 28, 1988
Inventor
Robert W. Gore
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.