Patents by Inventor Jerrold J. Krumholz

Jerrold J. Krumholz 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: 4762319
    Abstract: A multi-purpose sports apparatus has a frame which has spaced-apart support members adapted to rest upon a supporting surface, such as the ground, a net extending between the support members, and a backboard carrying a basketball goal hoop supported between the support members above the net, the backboard being adjustably rotatable horizontally between a vertical position and a horizontal position, whereby the basketball goal hoop can be positioned to extend horizontally or vertically.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: August 9, 1988
    Inventor: Jerrold J. Krumholz
  • Patent number: 4170083
    Abstract: A toy construction set is provided that includes a plurality of strap members that are assembled together to produce various constructional forms. A base member in the form of a platform, box or similar unit may also be provided with a plurality of outwardly extending buttons or projections that preferably are arranged in rows and in different spacial locations on the base. The straps are formed with rounded terminal ends having circular openings therein through which the projections are snapped so that the straps may be frictionally connected to the base at both ends thereof via the projections, thereby spanning a portion of the base. Connecting elements are also utilized to connect the straps at the ends thereof in producing certain shapes and forms.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: October 9, 1979
    Assignee: I. Robert Freelander
    Inventors: Israel R. Freelander, Jerrold J. Krumholz
  • Patent number: 4145051
    Abstract: An improved racquet and return ball apparatus is disclosed, comprising a paddle portion including ball striking surfaces on each face thereof, and a handle secured toward one side of the paddle and including a pair of oppositely directed grasping portions, each portion extending beyond the perimeter of the paddle to enable grasping of each or both said portions by the user of the apparatus. A resilient ball is secured to one face of the paddle portion by an elastic tethering line to enable the user to displace the ball to and fro from the racquet by periodically impacting the ball on one or another of the striking surfaces. The paddle portion may be of generally rectangular configuration with the handle means being secured to the base of the generally rectangular form.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: March 20, 1979
    Inventor: Jerrold J. Krumholz
  • Patent number: 4077153
    Abstract: A child's play block having a continuous periphery of material width with a central strengthening web and card retaining tangs adjacent thereto for the reception of picture card inserts which are color coded to the color of the block.
    Type: Grant
    Filed: July 19, 1973
    Date of Patent: March 7, 1978
    Assignee: Klisan, Inc.
    Inventors: George W. Dunbar, Jerrold J. Krumholz
  • Patent number: D312669
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: December 4, 1990
    Assignee: Blue Box Toy Factory Limited
    Inventors: Douglas Polumbaum, Jerrold J. Krumholz