Granted Patent
Utility
US 4,925,698 · App. 07/320,810
Surface modification of polymeric materials
Inventors:
Mitchell Klausner, Michael P. Manning, Raymond F. Baddour
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Mar 8, 1989
Inventors
Mitchell Klausner
Michael P. Manning
Raymond F. Baddour
Assignees (at issue)
Tekmat Corporation
Revlon
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.