Patents by Inventor Frank E. Dougherty, Sr.

Frank E. Dougherty, Sr. 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).

  • Patent number: 4416400
    Abstract: A container cap having threads on a surface thereof is integral in one piece with a flexible bulb having a wall thickness thinner than the wall thickness of the cap. A pipette is coaxial with the cap and bulb and welded to the cap. The cap, bulb and pipette are made from a polymeric plastic.
    Type: Grant
    Filed: October 24, 1978
    Date of Patent: November 22, 1983
    Assignee: Dougherty Brothers Company
    Inventor: Frank E. Dougherty, Sr.