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BEHAVIORAL SUPERVISION SYSTEM WITH WRIST CARRIED TRANSCEIVER
US 3,478,344 A
Filed
: 06/21/1965
Issued
: 11/11/1969
Est. Priority Date
: 06/21/1965
Status: Expired due to Term
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Current Assignee
Hurd William Sprech
,
Ralph K. Schwitzgebel
Original Assignee
Hurd William Sprech
,
Ralph K. Schwitzgebel
Inventors
Schwitzgebel, Ralph K.
,
HURD WILLIAM SPRECH
Application Number
US04/465,306
Time in Patent Office
1,604 Days
Field of Search
US Class Current
340/7.63
CPC Class Codes
G08B 26/007
Wireless interrogation
Y10S 128/903
Radio telemetry
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