Granted Patent
Utility
US 4,952,236 · App. 07/357,494
Method of making high strength, low modulus, ductile, biocompatible titanium alloy
Inventors:
Kathy Wang, Larry J. Gustavson, John H. Dumbleton
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: May 25, 1989
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.