Granted Patent
Utility
US 4,612,969 · App. 06/489,065
Method of and apparatus for casting articles with predetermined crystalline orientation
Inventors:
Lamar Burd, Evan R. Miller, Eugene J. Carozza, Robert E. Grunstra
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Apr 27, 1983
Inventors
Lamar Burd
Evan R. Miller
Eugene J. Carozza
Robert E. Grunstra
Assignee (at issue)
Howmet Turbine Components Corporation
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.