Granted Patent
Utility
US 4,151,023 · App. 05/804,196
Method for the production of a nonwoven fabric
Inventors:
Louis Platt, Marvin Wishman, David R. Gentry, Jake E. Williams
Patented Case
View Patent ↗
Granted: Apr 24, 1979
Filed: Jun 6, 1977
Inventors
Louis Platt
Marvin Wishman
David R. Gentry
Jake E. Williams
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.