Granted Patent
Utility
US 5,989,310 · App. 08/978,221
Method of forming ceramic particles in-situ in metal
Inventors:
Men G. Chu, Siba P. Ray
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 25, 1997
Inventors
Men G. Chu
Siba P. Ray
Assignee (at issue)
Aluminum Company of America
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.