Granted Patent
Utility
US 5,134,039 · App. 07/535,845
Metal articles having a plurality of ultrafine particles dispersed therein
Inventors:
Guy B. Alexander, Ravindra A. Nadkarni
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Jun 11, 1990
Inventors
Guy B. Alexander
Ravindra A. Nadkarni
Assignee (at issue)
LEACHGARNER, 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.