Method and apparatus for retrofitting a standard coin operated telephone employing a carbon microphone with a line powered electronic controller
A Standard patent application filed on 10 September 1990 credited to McGarry, Patrick J.

Details

Application number :

64483  

Application type :

Standard  

Application status :

CEASED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Method and apparatus for retrofitting a standard coin operated telephone employing a carbon microphone with a line powered electronic controller  

Inventor :

McGarry, Patrick J.  

Agent name :

WATERMARK PATENT AND TRADE MARKS ATTORNEYS  

Address for service :

Level 2 302 Burwood Road HAWTHORN VIC 3122  

Filing date :

10 September 1990  

Associated companies :

 

Applicant name :

Mars Incorporated  

Applicant address :

6885 Elm Street Mclean Virginia 22101-3883 United States Of America  

Old name :

 

Original Source :

Go  

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