the sounding member being a bell

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  • G10K1/063
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical warning device for a vehicle, for example particularly f...

    • Patent number 11,574,617
    • Issue date Feb 7, 2023
    • Hermes Sellier
    • Eric Rouby
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Doorbell system with pulse-driven boost rectifier

    • Patent number 10,692,334
    • Issue date Jun 23, 2020
    • Logitech Europe S.A.
    • John M. Long
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Doorbell conversion device and doorbell assembly

    • Patent number 10,484,546
    • Issue date Nov 19, 2019
    • Chicony Electronics Co., Ltd.
    • Wen-Chang Lin
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Doorbell system with pulse-driven boost rectifier

    • Patent number 10,311,685
    • Issue date Jun 4, 2019
    • Logitech Europe S.A.
    • John M. Long
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Method of spot welding parts of an electromagnetic bell unit

    • Patent number 4,968,971
    • Issue date Nov 6, 1990
    • Seikosha Co., Ltd.
    • Junichi Aizawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electromagnetic bell unit, its fitting structure and a method of we...

    • Patent number 4,912,453
    • Issue date Mar 27, 1990
    • Seikosha Co., Ltd.
    • Junichi Aizawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3683845

    • Patent number 3,683,845
    • Issue date Aug 15, 1972
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3631482

    • Patent number 3,631,482
    • Issue date Dec 28, 1971
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3553686

    • Patent number 3,553,686
    • Issue date Jan 5, 1971
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3550118

    • Patent number 3,550,118
    • Issue date Dec 22, 1970
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3451057

    • Patent number 3,451,057
    • Issue date Jun 17, 1969
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3440649

    • Patent number 3,440,649
    • Issue date Apr 22, 1969
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3424124

    • Patent number 3,424,124
    • Issue date Jan 28, 1969
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3392383

    • Patent number 3,392,383
    • Issue date Jul 9, 1968
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3371340

    • Patent number 3,371,340
    • Issue date Feb 27, 1968
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3360691

    • Patent number 3,360,691
    • Issue date Dec 26, 1967
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3346858

    • Patent number 3,346,858
    • Issue date Oct 10, 1967
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3298020

    • Patent number 3,298,020
    • Issue date Jan 10, 1967
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3284798

    • Patent number 3,284,798
    • Issue date Nov 8, 1966
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3238525

    • Patent number 3,238,525
    • Issue date Mar 1, 1966
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3168730

    • Patent number 3,168,730
    • Issue date Feb 2, 1965
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3162850

    • Patent number 3,162,850
    • Issue date Dec 22, 1964
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3116481

    • Patent number 3,116,481
    • Issue date Dec 31, 1963
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    3054997

    • Patent number 3,054,997
    • Issue date Sep 18, 1962
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    2984832

    • Patent number 2,984,832
    • Issue date May 16, 1961
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    2925593

    • Patent number 2,925,593
    • Issue date Feb 16, 1960
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    2904783

    • Patent number 2,904,783
    • Issue date Sep 15, 1959
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    2896190

    • Patent number 2,896,190
    • Issue date Jul 21, 1959
    • G08 - SIGNALLING
  • Information Patent Grant

    2875433

    • Patent number 2,875,433
    • Issue date Feb 24, 1959
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    2817080

    • Patent number 2,817,080
    • Issue date Dec 17, 1957
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents