TREA

David J. Feathers

Follow

Person

  • San Jose, CA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Eartips for in-ear listening devices
    • Patent number 11,523,205
    • Issue date Dec 6, 2022
    • Apple Inc.
    • Dustin A. Hatfield
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Earphones
    • Patent number 11,128,943
    • Issue date Sep 21, 2021
    • Apple Inc.
    • Dustin A. Hatfield
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Eartips for in-ear listening devices
    • Patent number 11,012,770
    • Issue date May 18, 2021
    • Apple Inc.
    • Dustin A. Hatfield
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    EARTIPS FOR IN-EAR LISTENING DEVICES
    • Publication number 20210243514
    • Publication date Aug 5, 2021
    • Apple Inc.
    • Dustin A. Hatfield
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARTIPS FOR IN-EAR LISTENING DEVICES
    • Publication number 20200314519
    • Publication date Oct 1, 2020
    • Apple Inc.
    • Dustin A. Hatfield
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EARPHONES
    • Publication number 20200314518
    • Publication date Oct 1, 2020
    • Apple Inc.
    • Dustin A. Hatfield
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE