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Evan C. Wilfong

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  • Newark, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coinslide with mechanical latch that prevents retraction when damaged
    • Patent number 6,598,725
    • Issue date Jul 29, 2003
    • Equipment Systems & Devices, Inc.
    • Evan C. Wilfong
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin slide with magnetic slug attracting means
    • Patent number 5,220,988
    • Issue date Jun 22, 1993
    • Equipment Systems & Devices, Inc.
    • Evan C. Wilfong
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin slide
    • Patent number 5,074,396
    • Issue date Dec 24, 1991
    • Equipment Systems & Devices, Inc.
    • Harvey S. Gitlin
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin slide
    • Patent number 4,828,096
    • Issue date May 9, 1989
    • Equipment Systems & Devices, Inc.
    • Harvey S. Gitlin
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin slide guard
    • Patent number 4,802,566
    • Issue date Feb 7, 1989
    • Equipment Systems & Devices, Inc.
    • Evan C. Wilfong
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Coin slide
    • Patent number 4,515,262
    • Issue date May 7, 1985
    • Equipment Systems & Devices, Inc.
    • Evan C. Wilfong
    • G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents