Granted Patent
Utility
US 5,213,021 · App. 07/799,713
Reciprocating cutter assembly
Inventors:
Billy D. Goforth, Charles L. Goforth, Joe G. Brooks
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Nov 26, 1991
Inventors
Billy D. Goforth
Charles L. Goforth
Joe G. Brooks
Assignee (at issue)
Advanced Environmental Recycling Technologies, Inc.
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.