Patents by Inventor Eli Zimmerman

Eli Zimmerman 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: 3989247
    Abstract: In a preferred embodiment of the invention, a clamp-on plastic arcuate element of C-shaped cross-section is provided for snapping-onto an upper portion of a tennis racket head frame, and continuous with and fused to substantially opposite ends of the arcuate element is a correspondingly arcuate semi-rigid substantially flexible lever element biased normally to a predetermined position in an open state away from the upper-most part of the tennis racket and arcuate element at a predetermined distance substantially less than a diameter of a tennis ball such that when the arcuate element is mounted on the tennis racket head frame the tennis racket by a person holding the handle thereof may be used as a pick-up device for retrieving tennis balls without any need of bending over or flexing the back, the arcuate base member also defining a substantially C-shaped pair of flanges as a part of an upper-most part of the arcuate element opposite the pick-up lever for anchoring the lever in a recessed lock-down position w
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: November 2, 1976
    Inventor: Eli Zimmerman