1
Lowell T Wilson, Herbert A Plassmann: Portable basketball set. The Ohio Art Company, Hugh Adam Kirk, March 20, 1979: US04145044 (90 worldwide citation)

A preschool knock-down portable indoor basketball set comprising a sponge-rubber ball and a weighted vertically adjustable stand for a basket with a removable bounce-board.The weighted base of the stand has an annular socket for one end of a pair of telescopic tubes, adjustable in length by a pin th ...


2
Norman O Meyers, Masayuki Kondo: Luminescent display and copying apparatus and method for using same. The Ohio Art Company, Knobbe Martens Olson & Bear, June 28, 1994: US05324202 (20 worldwide citation)

An apparatus and method for providing a luminescent display by applying pressure to a transparent planar sheet containing a luminescent dye or pigment where such pressure is sufficient to cause one smooth surface of the transparent sheet to contact a facing smooth surface of an opaque planar sheet, ...


3
Isamu Ozawa: Toy basketball game with self-jumping player. The Ohio Art Company, Hugh Adam Kirk, November 25, 1997: US05690330 (18 worldwide citation)

A toy basketball game having a court floor, a stand attached to the floor for a backboard ring and net, an articulated player and a movable base for the player. The player contains a compressible spring in one leg which is held compressed by a lever on the player's leg, which lever releases the spri ...


4
James C Wickstead, Gerald P Selden: Electronic sketching device. The Ohio Art Company, Blum Kaplan, December 19, 1989: US04887968 (16 worldwide citation)

An electronic sketching device. The electronic sketching device includes a display for providing a visual representation of a sketch on a display area. The electronic sketching device also including a cursor controller for moving a cursor on the display and a sketch controller for selectively storin ...


5
Clark Earl D: Tracing device. The Ohio Art Company, September 25, 1973: US3760505 (15 worldwide citation)

An improved case for the tracing device shown in Grandjean U.S. Pat. No. 3,055,113 issued Sept. 25, 1962, including a protective plastic sheet covering its glass tracing surface, a non-hardening adhesive between the glass surface and the inner liner or side wall support therefor including a groove f ...


6
James C Wickstead, Gerald P Selden: Electronic sketching device. The Ohio Art Company, Blum Kaplan, August 16, 1988: US04764763 (14 worldwide citation)

An electronic sketching device. The electronic sketching device includes a display for providing a visual representation of a sketch on a display area. The electronic sketching device also including a cursor controller for moving a cursor on the display and a sketch controller for selectively storin ...


7
Larry E Miller: Spring type projectile projecting device. The Ohio Art Company, July 13, 1976: US03968784 (12 worldwide citation)

A plastic pistol shaped toy dart gun having a barrel with a non-circular muzzle opening for a suction cup ended dart shaft having a cooperating cross section with that opening; which barrel houses a helical compressible dart ejecting spring and has extending along the side of the barrel, the longer ...


8
Michael Gilano, Gordon B Langford, Michael A Gilano: Magnetic visual display. The Ohio Art Company, Knobbe Martens Olson & Bear, May 28, 1991: US05018979 (11 worldwide citation)

An apparatus and method for providing a magnetic display in which a magnetic field produces visual patterns upon exposure to the apparatus. The apparatus comprises an enclosure which contains magnetically active flakes held within a dispersion medium which holds the magnetically active flakes in sus ...


9
Michael Gilano, Michael A Gilano, Gordon B Langford: Magnetic visual display. The Ohio Art Company, Knobbe Martens Olson & Bear, March 22, 1994: US05295837 (5 worldwide citation)

An apparatus for providing a magnetic visual display in which a magnetic field is exposed to a dispersion medium sealed between two surfaces and having distributed therein randomly-oriented magnetically-active flakes, thereby causing alignment of a portion of the flakes and allowing transmission of ...


10
Michael A Gilano, Gordon B Langford: Magnetic visual display. The Ohio Art Company, Knobbe Martens Olson & Bear, May 12, 1992: US05112229 (5 worldwide citation)

An apparatus and method for providing a magnetic display in which a magnetic field produces visual patterns upon exposure to the apparatus. The apparatus comprises an enclosure which contains magnetically active flakes held within a dispersion medium which holds the magnetically active flakes in sus ...



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