Granted Patent
Utility
US 4,239,821 · App. 06/028,784
Apparatus for and method of coating a wear layer of a carpeting strip with curable latex foam
Inventors:
Michael E. McLean, Rufus N. Ensley, Doyle V. Haren, Anthony J. Alcaraz
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Apr 10, 1979
Inventors
Michael E. McLean
Rufus N. Ensley
Doyle V. Haren
Anthony J. Alcaraz
Assignee (at issue)
DayCo Holdings, LP
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.