Granted Patent
Utility
US 4,618,530 · App. 06/831,045
Process for the preparation of a composite mat
Inventor:
John R. Stetson
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Feb 12, 1986
Inventor
John R. Stetson
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.