Magnetic and a photoelectric system for replacing metallic make and break contacts in automobile ignition systems
United States Patent 2787649
US Patent References:
Controlling operating time of arc discharge devices
- - 2053016

/2169818.html
- - 2169818

/2338906.html
- - 2338906

/2476128.html
- - 2476128

/2552989.html
- - 2552989


Inventors:
Ballard, James W.
Moorhead Jr., Milton M.
Publication Date:
04/02/1957
View Patent Images:
Download PDF 2787649 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
COMMW ENGINEERING COMPANY
Primary Class:
123/650
Other Classes:
315/340, 315/209R, 315/209T, 315/209M, 74/DIG.006, 315/223, 123/613, 315/237
International Classes:
F02P7/073; F02P7/00