Granted Patent
Utility
US 5,234,064 · App. 07/848,259
Roller cutter assembly having adjustable ring cutter spacing
Inventor:
Carl E. Lenaburg
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Mar 9, 1992
Inventor
Carl E. Lenaburg
Assignee (at issue)
Robbins, 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.