Patents by Inventor Charles L. Segal

Charles L. Segal 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).

  • Laminated game rackets and method of constructing same
    Patent number: 4070019
    Abstract: A laminated game racket frame having a closed hoop-shaped inner frame and an outer frame with the outer part of the inner frame integrally bonded to the inner part of the outer frame to form a unitized body, each frame being formed as a laminate comprised of a plurality of strips. Some of these strips are made of wood, thermoplastic resin or metal, and some are made as laminates themselves from plies of reinforced thermosetting resins.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: January 24, 1978
    Assignee: Groves-Kelco Sales, Inc.
    Inventors: Charles L. Segal, Michael G. Anderson, David N. Vincent
  • Method for the drying and recovery of polyethylene waste material
    Patent number: 4003136
    Abstract: A method for drying and recovering polyethylene waste material is disclosed. In the preferred procedure, the raw waste material is defiberized, dried in a novel manner, and then pelletized into the finished product which is suitable for plastic processing. The drying process for the waste material provides for temperature control of heated air at specific places.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: January 18, 1977
    Inventors: David N. Vincent, Charles L. Segal
  • Tennis racket
    Patent number: D245034
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: July 12, 1977
    Assignee: Groves-Kelco, Inc.
    Inventors: Charles L. Segal, Michael G. Anderson, David N. Vincent
  • Racketball racket frame
    Patent number: D246474
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: November 22, 1977
    Assignee: Groves-Kelco Sales, Inc.
    Inventors: Charles L. Segal, Michael G. Anderson, David N. Vincent