Granted Patent
Utility
US 5,853,013 · App. 08/811,015
Pre-wash apparatus for recycling heavily contaminated polymer tubing
Inventors:
Lon D. Busick, Billy Marlow
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Mar 4, 1997
Inventors
Lon D. Busick
Billy Marlow
Assignee (at issue)
Delta Plastics of the South
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.