Granted Patent
Utility
US 5,397,628 · App. 08/180,393
Laminated, air impermeable cellular rubber, body protection material with porous, expanded polytetrafluoroethylene layer
Inventors:
Jerald M. Crawley, Steven Newman
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Jan 12, 1994
Inventors
Jerald M. Crawley
Steven Newman
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.