Granted Patent
Utility
US 4,882,823 · App. 07/149,216
Superplastic forming diffusion bonding process
Inventors:
Edward D. Weisert, John R. Fischer, William L. McCauley
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Jan 27, 1988
Inventors
Edward D. Weisert
John R. Fischer
William L. McCauley
Assignee (at issue)
Ontario Technologies Corp.
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.