Granted Patent
Utility
US 4,487,755 · App. 06/522,085
Preparation of large crystal sized barium and/or strontium titanate powder
Inventor:
Ronald H. Arendt
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Aug 11, 1983
Inventor
Ronald H. Arendt
Assignee (at issue)
General Electric Company
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.