Granted Patent
Utility
US 4,324,752 · App. 06/108,440
Process for producing a fused fabric
Inventors:
Richard C. Newton, Gerald A. Romanek
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Dec 31, 1979
Inventors
Richard C. Newton
Gerald A. Romanek
Assignee (at issue)
Phillips Petroleum Company
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.