Granted Patent
Utility
US 4,222,809 · App. 06/028,785
Apparatus for and method of removing scrap ribbons trimmed from a carpeting strip
Inventors:
Michael E. McLean, Rufus N. Ensley, Anthony J. Alcaraz, Paul Evans Caldwell
Patented Case
View Patent ↗
Granted: Sep 16, 1980
Filed: Apr 10, 1979
Inventors
Michael E. McLean
Rufus N. Ensley
Anthony J. Alcaraz
Paul Evans Caldwell
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.