Granted Patent
Utility
US 6,120,624 · App. 09/108,028
Nickel base superalloy preweld heat treatment
Inventors:
Russell G. Vogt, Michael Launsbach, John Corrigan
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jun 30, 1998
Inventors
Russell G. Vogt
Michael Launsbach
John Corrigan
Assignee (at issue)
Howmet Research 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.