Granted Patent
Utility
US 4,468,183 · App. 06/413,513
Apparatus for the production of particulate metal
Inventors:
Robert A. Ramser, Daniel R. Barch, Kalman E. Buchovecky, Ray A. Kuchera
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: Aug 31, 1982
Inventors
Robert A. Ramser
Daniel R. Barch
Kalman E. Buchovecky
Ray A. Kuchera
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.