Granted Patent
Utility
US 4,151,960 · App. 05/848,939
Comminution device
Inventor:
Russell T. Peterson, Jr.
Patented Case
View Patent ↗
Granted: May 1, 1979
Filed: Nov 7, 1977
Inventor
Russell T. Peterson, Jr.
Assignee (at issue)
CONAIR LLC
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.