Granted Patent
Utility
US 4,849,097 · App. 07/126,342
Cam actuated mineral jig
Inventors:
Raymond A. Hanson, Wayne F. Crockett
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Nov 30, 1987
Inventors
Raymond A. Hanson
Wayne F. Crockett
Assignee (at issue)
R. A. Hanson Company, 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.