Details
- Application number :
- 44953
- Application type :
- Standard
- Application status :
- CEASED
- Under opposition :
- No
- Proceeding type :
-
- Invention title :
- Method and apparatus for detecting a supervisory audio tone
- Inventor :
- Wang, Robert Chuenlin
- Agent name :
- SPRUSON & FERGUSON
- Address for service :
- GPO Box 3898 SYDNEY NSW 2001
- Filing date :
- 27 August 1993
- Associated companies :
-
- Applicant name :
- American Telephone and Telegraph Company
- Applicant address :
- 32 Avenue Of The Americas New York New York 10013 United States Of America
- Old name :
-
- Original Source :
- Go