Granted Patent
Utility
US 4,540,046 · App. 06/531,928
Shear ram apparatus
Inventors:
Stanley W. Granger, James J. Camerano
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Sep 13, 1983
Inventors
Stanley W. Granger
James J. Camerano
Assignee (at issue)
NL Industries, 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.