Granted Patent
Utility
US 5,244,156 · App. 07/616,976
Method to reduce the dustiness of extrafine cobalt powder
Inventors:
Robert G. Mendenhall, Michael J. Miller
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Nov 20, 1990
Inventors
Robert G. Mendenhall
Michael J. Miller
Assignee (at issue)
GTE Products 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.