Portable telephone with power source/mode change during calls
A Standard patent application filed on 18 June 1990 credited to Metroka, Michael P.
;
Krolopp, Robert K.
;
Walczak, Thomas J.
Details
Application number :
63532
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Portable telephone with power source/mode change during calls
Inventor :
Metroka, Michael P.
;
Krolopp, Robert K.
;
Walczak, Thomas J.