Patents by Inventor Evelyn J. Bogner

Evelyn J. Bogner 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: 4494652
    Abstract: A system for disposal of dangerous sharp articles and dangerous liquids, particularly those which represent the waste in certain medical procedures, includes an inner container and closure means and an outer wide mouthed, necked container whose receiving opening is closed against removal of material by a tapered, preferably conical insert which is divided into flaps and alternative covers, one to facilitate separation of syringe needles and thin barrels and the other to lock the outer container closed.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: January 22, 1985
    Assignee: Winfield Industries
    Inventors: Ralph E. Nelson, Ann L. Nelson, Evelyn J. Bogner, Paul M. Bogner