Granted Patent
Utility
US 4,765,836 · App. 06/940,658
Wear and corrosion resistant articles made from pm alloyed irons
Inventors:
John Hauser, William Stasko, Kenneth E. Pinnow
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Dec 11, 1986
Inventors
John Hauser
William Stasko
Kenneth E. Pinnow
Assignee (at issue)
Crucible Materials 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.