Granted Patent
Utility
US 4,449,902 · App. 06/440,967
Apparatus for control of particle size in the production of atomized metal
Inventor:
Robert A. Ramser
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Nov 12, 1982
Inventor
Robert A. Ramser
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.