Patents by Inventor Martin M. Trossman

Martin M. Trossman 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: 4689032
    Abstract: A water toy for infants comprises a floatable portion and a restraining portion for loosely restraining the floatable portion so that the floatable portion when floated in water in a pool or tub in which an infant is playing or being bathed is enabled to bob up and down, pitch and roll, spin through an angle of 360.degree. about a vertical axis, and move over a limited portion of the surface of the water but prevented from moving and remaining beyond the reach of the infant. Various ancillary toys are included.
    Type: Grant
    Filed: November 29, 1985
    Date of Patent: August 25, 1987
    Assignee: Hasbro, Inc.
    Inventor: Martin M. Trossman
  • Patent number: 4371166
    Abstract: A geometric puzzle in the general shape of a cylinder is disclosed. The puzzle is comprised of eight side segments of identical outside dimensions and top and bottom portions of similar dimensions. Each top and bottom portion has a plurality of pairs of posts of different or the same diameters. The eight side segments each have two pairs of holes the diameters of which match those of the posts, when properly assembled to the top and bottom pieces. A cylindrical liner, printed with the indicia of a beverage can, fits over the assembled ten pieces. In addition, a clear plastic liner is provided to fit over the printed liner.
    Type: Grant
    Filed: March 11, 1981
    Date of Patent: February 1, 1983
    Assignee: Synergistics Research Corporation
    Inventors: Daniel B. Ferris, Martin M. Trossman, Charles R. Luchsinger
  • Patent number: D314594
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: February 12, 1991
    Assignee: The Quaker Oats Company
    Inventor: Martin M. Trossman
  • Patent number: D316581
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: April 30, 1991
    Assignee: The Quaker Oats Company
    Inventor: Martin M. Trossman
  • Patent number: D318310
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: July 16, 1991
    Assignee: The Quaker Oats Company
    Inventor: Martin M. Trossman