Granted Patent
Utility
US 4,248,922 · App. 06/062,432
Resinous polymer sheet materials having selective, surface decorative effects and methods of making the same
Inventors:
Harry A. Shortway, Alan A. Graham, Charles H. Miller
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Jul 30, 1979
Inventors
Harry A. Shortway
Alan A. Graham
Charles H. Miller
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.