Patents by Inventor Ural M. Robinson

Ural M. Robinson 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).

  • Chemical feeder for swimming pools
    Patent number: D288227
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: February 10, 1987
    Assignee: Heldor Industries, Inc.
    Inventor: Ural M. Robinson