Patents Assigned to Marsteller & Killmann KG
  • Ball-playing racket
    Patent number: 4322076
    Abstract: A racket for ball games has a frame and a handle extending from it. It has crosswise string sections and longitudinal string sections, and the longitudinal string sections closest towards the center of the hitting surface of the racket extend slidably out of the frame deep into the handle where they are secured.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: March 30, 1982
    Assignee: Marsteller & Killmann KG
    Inventors: Hans Bertram, Leo Ramesohl