Granted Patent
Utility
US 5,349,766 · App. 07/840,153
Boom support pendant pin retainer
Inventor:
Vance D. Dutton
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Feb 24, 1992
Inventor
Vance D. Dutton
Assignee (at issue)
Dresser 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.