Patents by Inventor Silas M. Preston

Silas M. Preston 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: 4979945
    Abstract: A syringe needle cap resheathing and removal apparatus is capable of single-handedly resheathing and removing needle caps of three different standard needle cap shapes. The apparatus can be fastened with an overcenter clamp to a patient's bed rail or other convenient location within a hospital. Three needle cap stations reachable by a common access gap in the apparatus correspond to three standard types of needle caps. The gap is angled to the horizontal to permit convenient visual and mechanical access to the respective needle cap operational stations. The apparatus can be rotated relative to the attachment of the clamp for the convenience and preference of the nurse or doctor.
    Type: Grant
    Filed: July 26, 1988
    Date of Patent: December 25, 1990
    Inventors: Steven E. Wade, Silas M. Preston