Granted Patent
Utility
US 4,496,905 · App. 06/293,750
Testing device for electrically analyzing a high _pressure sodium lighting fixture and lamp
Inventors:
Don A. Forte, Michael L. Thompson
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Aug 17, 1981
Inventors
Don A. Forte
Michael L. Thompson
Assignee (at issue)
Manville Service Corporation
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.