Patents by Inventor O. H. Pattison

O. H. Pattison 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).

  • Clean funnel
    Patent number: 4706720
    Abstract: A clean funnel including a funnel shaped housing having a large substance intake opening and a small substance outlet opening; an entirely removable first closure cap for sealing the large substance intake opening and an entirely removable second closure cap for sealing the small substance outlet opening, the first cap and the second cap each being sufficiently tight when in place to remain in place under conditions of funnel handling and movement and to prevent contamination of the funnel during periods of nonuse.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: November 17, 1987
    Inventors: O. H. Pattison, Will Pattison