Granted Patent
Utility
US 3,950,763 · App. 05/518,713
Cathode ray tube lighthead
Inventors:
Robert G. Parks, Howard E. Brewer
Patented Case
View Patent ↗
Granted: Apr 13, 1976
Filed: Oct 29, 1974
Inventors
Robert G. Parks
Howard E. Brewer
Assignee (at issue)
California Computer Products, 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.