Granted Patent
Utility
US 4,767,295 · App. 07/083,512
Deactivating rotor vane kick-out mechanism
Inventor:
Paul A. Biek
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Aug 7, 1987
Inventor
Paul A. Biek
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.