RINGING SIGNAL GENERATOR
A Standard patent application filed on 30 November 1982 credited to Sweet, Anthony William
;
Nyman, David
;
Dyer, Michael Philip
Details
Application number :
91002
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
RINGING SIGNAL GENERATOR
Inventor :
Sweet, Anthony William
;
Nyman, David
;
Dyer, Michael Philip