Granted Patent
Utility
US 4,495,842 · App. 06/486,135
Thrust bearing scraping tool
Inventors:
Daniel G. Starta, Richard W. Hood
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Apr 18, 1983
Inventors
Daniel G. Starta
Richard W. Hood
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.