Patents by Inventor Melvin Heiman

Melvin Heiman 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: 4685675
    Abstract: An adjustably weighted racquet includes a head having a frame with multiplicity of holes distributed throughout the frame for receiving strings. The frame has a plurality of bores distributed throughout the frame, each of which are spaced from the holes. A plurality of individual weights are each insertible in a respective one of the bores and are movable from bore to bore for weighting the racquet as desired. A device such as E-rings or spring-loaded ball bearings is also provided for detachably locking the weights in the bores.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: August 11, 1987
    Inventor: Melvin Heiman