Granted Patent
Utility
US 4,859,519 · App. 07/092,862
Method and apparatus for preparing textured apertured film
Inventors:
Alex W. Cabe, Jr., Robert W. Saffel, Arthur J. Sampson
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Sep 3, 1987
Inventors
Alex W. Cabe, Jr.
Robert W. Saffel
Arthur J. Sampson
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.