Patents by Inventor William K. Collins

William K. Collins 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: 4713947
    Abstract: A split crochetting ring is provided and consists of a shank having a spring biased split bight and terminating in a pair of offset upper ends. A pair of guide members are provided. Each guide member is mounted on a plate on each upper end of the shank and are opposed at z right angle to each other. Yarn is fed by hand therethrough for a fabric forming process such as crochetting and the like. In a modification the split crochetting ring includes an expandable locking shank.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: December 22, 1987
    Inventors: William K. Collins, George Spector