Granted Patent
Utility
US 4,278,483 · App. 06/071,454
Process for producing decorative surface covering
Inventor:
Robert D. Mansolillo
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Aug 31, 1979
Inventor
Robert D. Mansolillo
Assignee (at issue)
CONGOLEUM 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.