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DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP

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Organization

  • ROLLING MEADOWS, IL, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Coin discrimination system
    • Patent number 5,806,651
    • Issue date Sep 15, 1998
    • Duncan Industries Parking Control Systems Corp.
    • Ralph H. Carmen
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Cashless key and receptacle system
    • Patent number 5,526,662
    • Issue date Jun 18, 1996
    • Duncan Industries Parking Control Systems Corp.
    • Robert R. Diekhoff
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Portable time metering device
    • Patent number 5,382,780
    • Issue date Jan 17, 1995
    • Duncan Industries Parking Control Systems Corp.
    • Ralph H. Carmen
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Resonant coil coin detection apparatus
    • Patent number 5,273,151
    • Issue date Dec 28, 1993
    • Duncan Industries Parking Control Systems Corp.
    • Ralph H. Carmen
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Dual coil coin sensing apparatus
    • Patent number 5,244,070
    • Issue date Sep 14, 1993
    • Duncan Industries Parking Control Systems Corp.
    • Ralph H. Carmen
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin operated timing mechanism
    • Patent number 5,184,707
    • Issue date Feb 9, 1993
    • Duncan Industries Parking Control Systems Corp.
    • John W. Van Horn
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Low-power demodulating receiver with amplifier stages sharing the s...
    • Patent number 5,155,614
    • Issue date Oct 13, 1992
    • Duncan Industries Parking Control Systems Corp.
    • Ralph H. Carmen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coin operated timing mechanism
    • Patent number 5,109,972
    • Issue date May 5, 1992
    • Duncan Industries Parking Control Systems Corp.
    • John W. Van Horn
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Meter handle mechanism
    • Patent number 4,880,406
    • Issue date Nov 14, 1989
    • Duncan Industries Parking Control Systems Corp.
    • John W. Van Horn
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    75467941 - D DUNCAN
    • Serial number 75467941
    • Registration number 2249564
    • Filing date Apr 14, 1998
    • DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75468087 - DUNCAN SYSTEMS INTEGRATED
    • Serial number 75468087
    • Registration number 2280940
    • Filing date Apr 14, 1998
    • DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74382011 - EAGLE
    • Serial number 74382011
    • Registration number 1813581
    • Filing date Apr 21, 1993
    • DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73757579
    • Serial number 73757579
    • Filing date Oct 14, 1988
    • DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73745777
    • Serial number 73745777
    • Registration number 1596135
    • Filing date Aug 12, 1988
    • DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    73740053 - DUN-CARE
    • Serial number 73740053
    • Registration number 1619049
    • Filing date Jul 15, 1988
    • DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.
    • 37 - Building construction