Granted Patent
Utility
US 5,882,446 · App. 08/843,642
Heat treatment process for material bodies made of nickel base superalloys
Inventor:
Maxim Konter
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Apr 10, 1997
Inventor
Maxim Konter
Assignee (at issue)
ABB RESEARCH LTD.
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.