Granted Patent
Utility
US 4,731,916 · App. 06/923,605
Method of removal of outrigger box on cranes
Inventor:
Robert L. Fix
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: Oct 27, 1986
Inventor
Robert L. Fix
Assignee (at issue)
Kidde Holding, 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.