Patents by Inventor Thomas E. Clumb

Thomas E. Clumb 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: 4899919
    Abstract: A fastening system including a tool for initiating energizing of a fastener into a material such as concrete wherein the fastener and an energizing medium or propellant are initially affixed to one another, and wherein the tool includes a means for venting the propellant energy when the associated fastener has penetrated the material to a selected depth.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: February 13, 1990
    Inventor: Thomas E. Clumb
  • Patent number: D248218
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: June 20, 1978
    Assignees: Alfred T. Smith, David J. Ganasak
    Inventor: Thomas E. Clumb