Patents by Inventor Harold Markham

Harold Markham 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: 5176699
    Abstract: A surgical device having a pair of slidably interlocking spring biased upper and lower shaft members. A grasping handle is associated with one end of the interlocking shaft members for grasping the same and sliding the upper shaft member forwardly along the lower shaft member. A grasping jaw member is pivotally connected to the other end of the shaft members, the jaw members being in meshing engagement thereby effecting a double jaw opening and closing when the upper shaft member is actuated with respect to the lower shaft member.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: January 5, 1993
    Inventor: Harold Markham
  • Patent number: 5147378
    Abstract: Forceps for grasping tissue material comprising a stationary stylet telescopingly disposed within a cannula. Jaws are mounted to one end of the stylet and the other end of the stylet is fixedly mounted in a handle. The cannula is mounted to the handle for sliding movement over the jaws to selectively compress and release the same to grasp and release tissue material or the like engaged by the jaws.
    Type: Grant
    Filed: March 5, 1991
    Date of Patent: September 15, 1992
    Inventor: Harold Markham