Granted Patent
Utility
US 4,231,835 · App. 06/028,787
Apparatus for and method of making carpeting strip having integral seam-forming portion
Inventors:
Rufus N. Ensley, Doyle V. Haren, Arthur D. Logan, Michael E. McLean
Patented Case
View Patent ↗
Granted: Nov 4, 1980
Filed: Apr 10, 1979
Inventors
Rufus N. Ensley
Doyle V. Haren
Arthur D. Logan
Michael E. McLean
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.