Granted Patent
Utility
US 4,305,987 · App. 06/136,220
Abrasion resistant laminate
Inventors:
Herbert I. Scher, Israel S. Ungar
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Apr 1, 1980
Inventors
Herbert I. Scher
Israel S. Ungar
Assignee (at issue)
NEUVANA, LLC
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.