Howard A. Kerr

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West Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for establishing a wideband communication f...
- Patent number 4,885,738
- Issue date Dec 5, 1989
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Thomas E. Bowers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Toll fraud control override
- Patent number 4,748,653
- Issue date May 31, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Howard A. Kerr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for establishing a wideband communication faci...
- Patent number 4,704,716
- Issue date Nov 3, 1987
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Thomas E. Bowers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Meet-me conference arrangement
- Patent number 4,577,065
- Issue date Mar 18, 1986
- AT&T Bell Laboratories
- Alan E. Frey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conference routing arrangement
- Patent number 4,460,807
- Issue date Jul 17, 1984
- AT&T Bell Laboratories
- Howard A. Kerr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for recording and updating stored messages in an announcemen...
- Patent number 4,446,336
- Issue date May 1, 1984
- Bell Telephone Laboratories, Incorporated
- Leslie D. Bethel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE