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United States Patent 3450409
US Patent References:
Automatic chain tightening mechanism for infinitely variable cone pulley gears
- - 3136169
Magazine type magnetic recorder with multiple lane tape and traversing transducer
- - 2468198
Counting device
- - 2272478
Inventors:
Pitzer, James G.
Publication Date:
06/17/1969
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Download PDF 3450409
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Assignee:
MOTOROLA INC
Primary Class:
360/261.200
Other Classes:
74/143, 74/125
International Classes:
F16H31/00
;
G11B5/48
; G11B5/56
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