Granted Patent
Utility
US 5,694,683 · App. 08/049,533
Hot forming process
Inventors:
J. Michael Teets, Douglas R. Burnham
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Apr 20, 1993
Inventors
J. Michael Teets
Douglas R. Burnham
Assignee (at issue)
Chromalloy Gas Turbine 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.