Granted Patent
Utility
US 4,320,035 · App. 06/231,520
Dielectric gas-vapor and vapor-vapor mixtures
Inventor:
Ronald T. Harrold
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Feb 4, 1981
Inventor
Ronald T. Harrold
Assignee (at issue)
Westinghouse Electric Company LLC
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.