Granted Patent
Utility
US 4,820,294 · App. 07/177,291
Apertured film facing and method of making the same
Inventor:
Ronald R. Morris
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Apr 4, 1988
Inventor
Ronald R. Morris
Assignee (at issue)
Chicopee
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.