Patents by Inventor Vaclay Ubl

Vaclay Ubl 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).

  • Racquet string straightener
    Patent number: 4989864
    Abstract: The racquet string straightening device comprises a support from one face of which a fixed array of teeth project. The teeth are arranged in rows with passages therebetween to receive the strings of a racquet and in a second embodiment alternate teeth may be omitted. Each tooth has a body of rectangular cross-section defined by pairs of parallel sides and a tapered outer end to facilitate entry of the tooth into the respective opening in the strings.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: February 5, 1991
    Inventor: Vaclay Ubl