Granted Patent
Utility
US 6,231,692 · App. 09/239,358
Nickel base superalloy with improved machinability and method of making thereof
Inventors:
Russell G. Vogt, John Corrigan, John R. Mihalisin, Ursula Pickert, Winfried Esser
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jan 28, 1999
Inventors
Russell G. Vogt
John Corrigan
John R. Mihalisin
Ursula Pickert
Winfried Esser
Assignees (at issue)
Howmet Research Corporation
Siemens Aktiengesellschaft
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.