TREA

Circuit Research Labs, Inc.

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Organization

  • Tempe, AZ, US
  • RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT
  • Business Address
    7970 S KYRENE ROAD TEMPE AZ 85284 4804038300
  • Mailing Address
    7970 S KYRENE ROAD TEMPE AZ 85284
  • State Location
    AZ
  • State of Incorporation
    AZ
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Noise reduction system
    • Patent number 4,609,878
    • Issue date Sep 2, 1986
    • Circuit Research Labs, Inc.
    • Robert L. Rodgers
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Voltage controlled resistor
    • Patent number 4,393,346
    • Issue date Jul 12, 1983
    • Circuit Research Labs
    • Ronald R. Jones
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Resonant filter clipper circuit
    • Patent number 4,383,229
    • Issue date May 10, 1983
    • Circuit Research Labs
    • Ronald R. Jones
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi-state echo suppressor
    • Publication number 20030174847
    • Publication date Sep 18, 2003
    • Circuit Research Labs, Inc.
    • Eric B. Lane
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Trademarklast 30 trademarks

  • Information Trademark

    78180565 - HD FM
    • Serial number 78180565
    • Filing date Oct 31, 2002
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    78180608 - HD AM
    • Serial number 78180608
    • Filing date Oct 31, 2002
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    78042645 - CIRCUIT RESEARCH LABS
    • Serial number 78042645
    • Filing date Jan 10, 2001
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75754856 - MILLENNIUM
    • Serial number 75754856
    • Registration number 2625574
    • Filing date Jul 20, 1999
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74146716 - DYNAFEX
    • Serial number 74146716
    • Registration number 1670137
    • Filing date Mar 8, 1991
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460641 - S.C.A. MODULATION GENERATOR
    • Serial number 73460641
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460642 - AUDIO PREPARATION PROCESSOR
    • Serial number 73460642
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460667 - SPECTRAL ENERGY PROCESSOR
    • Serial number 73460667
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460668 - THE PROCESSING SPECIALISTS
    • Serial number 73460668
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 38 - Telecommunications
  • Information Trademark

    73460669 - AM STEREO MATRIX PROCESSOR
    • Serial number 73460669
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460639 - STEREO MODULATION PROCESSOR
    • Serial number 73460639
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460665 - STEREO PREPARATION PROCESSOR
    • Serial number 73460665
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460666 - CRL SYSTEMS
    • Serial number 73460666
    • Registration number 1342151
    • Filing date Jan 13, 1984
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73460640 - C R L AUDIO
    • Serial number 73460640
    • Registration number 1349925
    • Filing date Jan 13, 1983
    • Circuit Research Labs, Inc.
    • 35 - Advertising
  • Information Trademark

    73370289 - CRL
    • Serial number 73370289
    • Registration number 1300233
    • Filing date Jun 18, 1982
    • Circuit Research Labs, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments