Granted Patent
Utility
US 4,609,969 · App. 06/663,131
Dielectric fluid for metallized polypropylene film capacitors
Inventor:
Vandos Shedigian
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Oct 22, 1984
Inventor
Vandos Shedigian
Assignee (at issue)
Emhart Industries, Inc.
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.