Granted Patent
Utility
US 4,415,374 · App. 06/363,622
Fine grained metal composition
Inventors:
Kenneth P. Young, Curtis P. Kyonka, James A. Courtois
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Mar 30, 1982
Inventors
Kenneth P. Young
Curtis P. Kyonka
James A. Courtois
Assignee (at issue)
International Telephone and Telegraph Corporation
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.