Title:
Three-dimensional display cathode ray tube
United States Patent 3140415
Inventors:
Ketchpel, Richard D.
Publication Date:
07/07/1964
Assignee:
HUGHES AIRCRAFT CO
Other Classes:
313/476, 345/6, 313/149, 342/180, 345/10, 342/181, 313/146, 348/51
International Classes:
G01S7/04; H01J31/22; H01J31/10