Patents by Inventor Henry F. Dull, Jr.

Henry F. Dull, Jr. 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).

  • Novel rubber connectors and other rubber parts for use in human infusion sets and rubber
    Patent number: 4684672
    Abstract: Novel rubber connectors and other rubber parts for use in human infusion sets and rubber compositions and other rubber parts for use in human infusion sets and products produced thereby, such compositions comprising by weight a major amount of rubber selected from mixtures of natural rubber and synthetic natural rubber, the novel composition further comprising by weight a minor amount of a high density polyolefin and a filler, the composition being capable of being cured with an effective amount of a peroxide curing agent and an activator to achieve cross-linking of the rubber and the high density polyolefin.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: August 4, 1987
    Inventors: Robert L. Buchanan, Henry F. Dull, Jr.