Patents by Inventor Robert G. Clark

Robert G. Clark 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: 6537006
    Abstract: A fastener system for adhesively coupling non-threaded components comprises, in combination a rigid bolt. The bolt has a head externally. The bolt has a shaft internally. The head has a generally hemispherical exterior end with a cental axis. The head also has a generally planar interior end. The head further has a top and a bottom. The shaft is in a generally cylindrical shape with a central axis. The fastener system also comprises a nut. The nut has a generally hemispherical exterior end. The nut has a generally planar interior end. The nut further having a top and a bottom. The exterior end of the nut has a radially circular flat region. A recess is provided in the circular flat region of the exterior end. The recess is adapted to receive the shaft. An adhesive provides a secure coupling between the nut and bolt.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: March 25, 2003
    Inventor: Robert G. Clark
  • Patent number: 6405440
    Abstract: A glass tapping tool for tapping glass and breaking glass along a score-line that has been previously cut. In one embodiment, the tool comprises a hollow tube with a first end and a second end. A stationary striking member is attached to the first end of the tube for tapping a piece of glass which has been previously cut along a score-line. Mounted inside the tube is a slidable hammer with a first end and a second end. The slidable hammer is mounted so that the second end of the slidable hammer protrudes outside the second end of the hollow tube. Elastically coupled the stationary striking member with the slidable hammer is a spring.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: June 18, 2002
    Inventors: Robert G. Clark, Wendie R. Clark