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MULTIVIBRATOR HAVING PULSE RATE RESPONSIVE TO BATTERY VOLTAGE
US 3,474,353 A
Filed
: 01/04/1968
Issued
: 10/21/1969
Est. Priority Date
: 01/04/1968
Status: Expired due to Term
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Current Assignee
John W. Keller Jr
Original Assignee
John W. Keller Jr
Inventors
Keller, John W. Jr.
Application Number
US04/695,623
Time in Patent Office
656 Days
Field of Search
US Class Current
331/113.00R
CPC Class Codes
A61N 1/362
Heart stimulators heart def...
H03K 3/2826
using two active transistor...
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