Granted Patent
Utility
US 4,319,811 · App. 06/080,200
Abrasion resistance radiation curable coating
Inventors:
Shu T. Tu, Donald H. Lorenz
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Oct 1, 1979
Inventors
Shu T. Tu
Donald H. Lorenz
Assignee (at issue)
GAF 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.