Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same
A Standard patent application filed on 10 April 1992 credited to Ortiz, Luis R
;
Encarnacion, Angel
;
Torres, Alexis
Details
Application number :
19133
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same
Inventor :
Ortiz, Luis R
;
Encarnacion, Angel
;
Torres, Alexis