Patents by Inventor Karan L. Chisholm

Karan L. Chisholm 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).

  • Collapsible maintenance work cart system
    Patent number: 6860494
    Abstract: A cork cart has a generally pan shaped rectilinear cart base with a plurality of brackets receiving a sliding shelf, a pan shaped rectilinear cart middle shelf, and a pan shaped rectilinear top shelf with a hole near each end and a recess in the forward edge. A plurality of T-pieces each with a bolt hole and a locking pin hole are coupled to corners of the car. The cart has a plurality of wheels. A frame nas four vertical corner pieces having a plurality of bolt hole. There is plurality of bolt and rut subassemblies. A handle has a gripping portion and an attachment portion and a roll towel mounting portion. A locking pin subassembly has a pin portion and a spring. There is a bag ring.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: March 1, 2005
    Inventor: Karan L. Chisholm