Granted Patent
Utility
US 5,154,027 · App. 07/758,266
Deployable/retractable mast independently rotatable when deployed
Inventor:
Robert M. Warden
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Aug 26, 1991
Inventor
Robert M. Warden
Assignee (at issue)
AEC-Able Engineering Co., 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.