ELECTRO SIGNAL LAB, INC., A CORP. OF DE

Organization

  • PARSIPPANY, NJ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Battery powered smoke detector

    • Patent number 4,186,390
    • Issue date Jan 29, 1980
    • Electro Signal Lab, Inc.
    • Robert B. Enemark
    • G08 - SIGNALLING
  • Information Patent Grant

    Optical smoke detector inlet screen

    • Patent number 4,124,298
    • Issue date Nov 7, 1978
    • Electro Signal Lab, Inc.
    • Donald F. Steele
    • G08 - SIGNALLING
  • Information Patent Grant

    LED smoke detector circuit

    • Patent number 4,025,915
    • Issue date May 24, 1977
    • Electro Signal Lab, Inc.
    • Robert B. Enemark
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73030316 - ESL

    • Serial number 73030316
    • Registration number 1017350
    • Filing date Aug 23, 1974
    • ELECTRO SIGNAL LAB, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    72428774 - ESL

    • Serial number 72428774
    • Registration number 990034
    • Filing date Jun 29, 1972
    • ELECTRO SIGNAL LAB, INC.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments