Granted Patent
Utility
US 4,755,034 · App. 06/901,066
Electrostatic precipitator for a light valve of the Schlieren dark field type
Inventor:
Howard E. Towlson
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Aug 26, 1986
Inventor
Howard E. Towlson
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.