Patents Assigned to Norma A. Sampson
  • Patent number: 4631057
    Abstract: An apparatus for injecting a substance into a human or animal comprising a body, a needle coupled to the body and terminating in a point and a needle guard mounted on the body for movement from a retracted position in which the guard does not shield the needle to an extended position in which the guard shields the needle. The needle guard can be releasably retained in the retracted position and locked in the extended position. Locking of the needle guard is accomplished by interlocking members carried by the needle guard and by a collar mounted on the body.
    Type: Grant
    Filed: December 17, 1985
    Date of Patent: December 23, 1986
    Assignees: Dolores A. Smith, Norma A. Sampson, Earl W. Sampson
    Inventor: Charles B. Mitchell