Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-08-14
2007-08-14
Ramakrishnaiah, Melur (Department: 2614)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S569100, C455S090300, C379S420040
Reexamination Certificate
active
09961768
ABSTRACT:
A portable radiotelephone apparatus having a microphone and an earpiece electrically connected individually to respective wires of a two-wire electrical line, and a retraction mechanism with a one-way lock device for the line.
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Greenberg Laurence A.
Locher Ralph E.
Ramakrishnaiah Melur
Stemer Werner H.
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