Patents by Inventor Charles H. Mayo, II

Charles H. Mayo, II 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).

  • Safety syringe
    Patent number: 4861338
    Abstract: A disposable safety syringe having (i) a needle, and (ii) apparatus which, after use of the needle, permits the point of the needle to be withdrawn up into the syringe barrel to be shielded thereby to safeguard the user, i.e. to prevent accidental contact of the needle by an errant body part of the user, and (iii) additional apparatus for automatically locking the needle in the safe position to prevent reuse of the syringe.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: August 29, 1989
    Assignee: Mediverse Inc.
    Inventors: George E. Mathiesen, Charles H. Mayo, II