Granted Patent
Utility
US 5,056,986 · App. 07/440,070
Inner cylinder axial positioning system
Inventors:
George J. Silvestri, Jr., Alvin L. Stock, Michael Twerdochlib
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Nov 22, 1989
Inventors
George J. Silvestri, Jr.
Alvin L. Stock
Michael Twerdochlib
Assignee (at issue)
Westinghouse Electric Company LLC
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.