Granted Patent
Utility
US 5,143,774 · App. 07/401,667
Nonwoven fibrous embossed plastic film
Inventors:
Leopoldo V. Cancio, Thomas C. Ryle, Pai-Chuan Wu
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Sep 1, 1989
Inventors
Leopoldo V. Cancio
Thomas C. Ryle
Pai-Chuan Wu
Assignee (at issue)
Clopay Corporation
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.