Patents by Inventor Dale E. Bjerke

Dale E. Bjerke 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: 7103934
    Abstract: A multipurpose combination pliers includes a first and second insulated handles alternately and movably joined together by a rivet, a toothed jaw at the fore end of each of the handles, a rectangular connector at the rear end of the first insulated handle for engaging a cylindrical box wrench thereon and a U-shaped connector on the rear end of the second insulated handle for rotatably engaged with a rectangular adapter which is able to engage a smaller box wrench and can be laterally rotated for about 180 degrees relative to the U-shaped connector, an arcuate electric cords stripper communicated with a internally threaded through hole at front portion of the pliers. The feature is that this disclosure not only performs clamping and stripping functions but also conducts as a box wrench to drive addition object.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: September 12, 2006
    Inventors: Eric Hsu, Dale E. Bjerke