Title:
OVER-VOLTAGE DETECTING AND PROTECTION APPARATUS
United States Patent 3544750
Publication Date:
12/01/1970
Assignee:
ZENITH RADIO CORP
Other Classes:
313/146, 361/91.1
International Classes:
H01H59/00; H02H3/20; H01H59/00; H02H3/20; (IPC1-7): H01H59/00