Patents by Inventor John J. Langan

John J. Langan 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).

  • Combination chalk holder and cue slide
    Patent number: 4060243
    Abstract: There is disclosed a combination chalk holder and cue slide adapted to be worn as a ring on the player's finger. The device comprises a band adapted to encircle a finger, the band comprising a means to releasably engage a piece of chalk, means to fasten the ends of the band to form a ring around the finger and a strip of material such as felt which serves as a cue slide.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: November 29, 1977
    Inventor: John J. Langan