Granted Patent
Utility
US 5,116,486 · App. 07/649,744
Apparatus and method for separating recyclable waste
Inventor:
Dennis A. Pederson
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Feb 1, 1991
Inventor
Dennis A. Pederson
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.