Granted Patent
Utility
US 4,714,468 · App. 07/007,064
Prosthesis formed from dispersion strengthened cobalt-chromium-molybdenum alloy produced by gas atomization
Inventors:
Kathy Wang, Larry J. Gustavson, John H. Dumbleton
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Jan 27, 1987
Inventors
Kathy Wang
Larry J. Gustavson
John H. Dumbleton
Assignee (at issue)
Pfizer Hospital Products Group, Inc.
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.