Granted Patent
Utility
US 5,312,584 · App. 07/838,155
Moldless/coreless single crystal castings of nickel-aluminide
Inventors:
Donald J. Frasier, Ralph E. Peeler, John H. Lane, Heidi Mueller-Largent
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Feb 18, 1992
Inventors
Donald J. Frasier
Ralph E. Peeler
John H. Lane
Heidi Mueller-Largent
Assignee (at issue)
General Motors 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.