Granted Patent
Utility
US 4,276,530 · App. 06/075,768
Vapor-cooled electrical apparatus
Inventors:
Frank W. Benke, Curtis L. Moore
Patented Case
View Patent ↗
Granted: Jun 30, 1981
Filed: Sep 17, 1979
Inventors
Frank W. Benke
Curtis L. Moore
Assignee (at issue)
Electric Power Research Institute, 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.