Granted Patent
Utility
US 4,580,613 · App. 06/405,588
Method and mold for casting articles having a predetermined crystalline orientation
Inventors:
Evan R. Miller, Lamar Burd, Eugene J. Carozza, Robert E. Grunstra
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Aug 5, 1982
Inventors
Evan R. Miller
Lamar Burd
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.