TREA

David G. Perkins

Follow

Person

  • Tully, NY, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Medical viewing device
    • Patent number D959661
    • Issue date Aug 2, 2022
    • Welch Allyn, Inc.
    • Robert S. Englert
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Charger
    • Patent number D958735
    • Issue date Jul 26, 2022
    • Welch Allyn, Inc.
    • David G. Perkins
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Medical viewing device
    • Patent number D958340
    • Issue date Jul 19, 2022
    • Welch Allyn, Inc.
    • Robert S. Englert
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical viewing device
    • Patent number D958341
    • Issue date Jul 19, 2022
    • Welch Allyn, Inc.
    • Alan S. Knieriem
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical viewing device
    • Patent number D958339
    • Issue date Jul 19, 2022
    • Welch Allyn, Inc.
    • Robert S. Englert
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical viewing device
    • Patent number D958342
    • Issue date Jul 19, 2022
    • Welch Allyn, Inc.
    • Alan S. Knieriem
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Charger
    • Patent number D935999
    • Issue date Nov 16, 2021
    • Welch Allyn, Inc.
    • Timothy R. Fitch
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Medical examination system enabling interchangeable instrument oper...
    • Patent number 11,096,627
    • Issue date Aug 24, 2021
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Charger
    • Patent number D926128
    • Issue date Jul 27, 2021
    • Welch Allyn, Inc.
    • David G. Perkins
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Medical viewing device
    • Patent number D905239
    • Issue date Dec 15, 2020
    • Welch Allyn, Inc.
    • Robert S. Englert
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical viewing device
    • Patent number D905238
    • Issue date Dec 15, 2020
    • Welch Allyn, Inc.
    • Robert S. Englert
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical viewing device
    • Patent number D905237
    • Issue date Dec 15, 2020
    • Welch Allyn, Inc.
    • Alan S. Knieriem
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Medical viewing device
    • Patent number D905240
    • Issue date Dec 15, 2020
    • Welch Allyn, Inc.
    • Alan S. Knieriem
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Ophthalmological teaching aid
    • Patent number 10,861,352
    • Issue date Dec 8, 2020
    • Welch Allyn, Inc.
    • David G. Perkins
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Handle
    • Patent number D897184
    • Issue date Sep 29, 2020
    • Welch Allyn, Inc.
    • David G. Perkins
    • D08 - Tools and hardware
  • Information Patent Grant

    Handle
    • Patent number D897186
    • Issue date Sep 29, 2020
    • Welch Allyn, Inc.
    • David G. Perkins
    • D08 - Tools and hardware
  • Information Patent Grant

    Handle
    • Patent number D897185
    • Issue date Sep 29, 2020
    • Welch Allyn, Inc.
    • David G. Perkins
    • D08 - Tools and hardware
  • Information Patent Grant

    Mobile medical workstation
    • Patent number 10,010,287
    • Issue date Jul 3, 2018
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Mobile medical workstation
    • Patent number 8,292,807
    • Issue date Oct 23, 2012
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compact imaging instrument system
    • Patent number 6,393,431
    • Issue date May 21, 2002
    • Welch Allyn, Inc.
    • Jon R. Salvati
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Objective lens system for imaging instrument
    • Patent number 6,142,934
    • Issue date Nov 7, 2000
    • Welch Allyn, Inc.
    • William H. Lagerway
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Digital camera adapter
    • Patent number D432153
    • Issue date Oct 17, 2000
    • Welch Allyn, Inc.
    • David Cooper
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Compact imaging instrument system
    • Patent number 6,106,457
    • Issue date Aug 22, 2000
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Measuring adapter for viewing instrument
    • Patent number 6,010,450
    • Issue date Jan 4, 2000
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compact ocular measuring system
    • Patent number 6,007,204
    • Issue date Dec 28, 1999
    • Welch Allyn, Inc.
    • Corinn C. Fahrenkrug
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Video otoscope
    • Patent number 5,919,130
    • Issue date Jul 6, 1999
    • Welch Allyn, Inc.
    • Richard A. Monroe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Fixation card attachment for retinoscope
    • Patent number 5,202,710
    • Issue date Apr 13, 1993
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Filter apparatus for retinoscope
    • Patent number 5,200,772
    • Issue date Apr 6, 1993
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Retinoscope with external control sleeve
    • Patent number 5,189,449
    • Issue date Feb 23, 1993
    • Welch Allyn, Inc.
    • David G. Perkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents