Patents by Inventor Daniel Johnstone

Daniel Johnstone has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic golf ball washer
    Patent number: 10335643
    Abstract: An automatic golf ball washer includes a substantially enclosed body that can receive one or more golf balls onto a rotary carriage that spins the golf ball within a supply of washing fluid and contacts the moving golf ball with stationary brushes within the body.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: July 2, 2019
    Assignee: Arnstone Products, Inc.
    Inventors: Eric Arnold, Daniel Johnstone
  • Automatic Golf Ball Washer
    Publication number: 20160184660
    Abstract: An automatic golf ball washer includes a substantially enclosed body that can receive one or more golf balls onto a rotary carriage that spins the golf ball within a supply of washing fluid and contacts the moving golf ball with stationary brushes within the body.
    Type: Application
    Filed: July 27, 2015
    Publication date: June 30, 2016
    Applicant: ARNSTONE PRODUCTS, INC.
    Inventors: Eric Arnold, Daniel Johnstone