Daniel Lynch

Person

Jackson, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Loop status verification system
- Patent number 4,937,851
- Issue date Jun 26, 1990
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loop status verification system
- Patent number 4,864,598
- Issue date Sep 5, 1989
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone line selection and isolation method and apparatus
- Patent number 4,788,710
- Issue date Nov 29, 1988
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency responsive party telephone line selection apparatus and m...
- Patent number 4,701,949
- Issue date Oct 20, 1987
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission line signal sensing circuit employing means for conser...
- Patent number 4,686,696
- Issue date Aug 11, 1987
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone line selection and isolation method and apparatus
- Patent number 4,682,347
- Issue date Jul 21, 1987
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone line testing circuit
- Patent number 4,679,224
- Issue date Jul 7, 1987
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AC Signal-activated switching apparatus
- Patent number 4,550,225
- Issue date Oct 29, 1985
- Keptel, Inc.
- Daniel Lynch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Daniel Lynch

Person

Patents Grantslast 30 patents

Loop status verification system

Loop status verification system

Telephone line selection and isolation method and apparatus

Frequency responsive party telephone line selection apparatus and m...

Transmission line signal sensing circuit employing means for conser...

Telephone line selection and isolation method and apparatus

Telephone line testing circuit

AC Signal-activated switching apparatus