Granted Patent
Utility
US 4,827,435 · App. 06/930,215
Blade pitch measurement apparatus and method
Inventors:
Gerald I. Marron, Wilbert B. Rethage
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Nov 12, 1986
Inventors
Gerald I. Marron
Wilbert B. Rethage
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.