Granted Patent
Utility
US 4,298,646 · App. 06/164,456
Differential gloss products and methods of making the same
Inventors:
Laurence F. Haemer, Theodore Kimak
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Jun 30, 1980
Inventors
Laurence F. Haemer
Theodore Kimak
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.