Granted Patent
Utility
US 4,822,248 · App. 07/038,855
Rebuilt shrouded turbine blade and method of rebuilding the same
Inventors:
Timothy A. Wertz, Gilbert A. Saltzman, Ira Friedman
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Apr 15, 1987
Inventors
Timothy A. Wertz
Gilbert A. Saltzman
Ira Friedman
Assignee (at issue)
Metallurgical 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.