Granted Patent
Utility
US 4,290,808 · App. 06/023,411
Metallic glass powders from glassy alloys
Inventor:
Ranjan Ray
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Mar 23, 1979
Inventor
Ranjan Ray
Assignee (at issue)
Allied Chemical 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.