Granted Patent
Utility
US 4,643,637 · App. 06/775,874
Remote operated turning gear engager
Inventor:
Roger D. Strickler
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Sep 13, 1985
Inventor
Roger D. Strickler
Assignee (at issue)
Elliott Turbomachinery 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.