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RECORDER CONTROLLED AUTOMATIC DIALING AND MESSAGE REPORTING SYSTEM
US 3,461,241 A
Filed
: 07/07/1966
Issued
: 08/12/1969
Est. Priority Date
: 07/07/1966
Status: Expired due to Term
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Current Assignee
John L. Menke
Original Assignee
John L. Menke
Inventors
Menke, John L.
Application Number
US04/563,442
Time in Patent Office
1,132 Days
Field of Search
US Class Current
379/40
CPC Class Codes
H04M 11/045
using recorded signals, e.g...
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