"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 6402140 | Automatic ball-starting device of football game table Automatic ball-starting device of football game table, including multiple ball-guiding tubes and a controlling box. Two ball-guiding tubes respectively extend from two goals on two sides of the football game table to the controlling box disposed at the ce... | 06/11/2002 |
| 6299164 | Floating/dropping ball game table structure Floating/dropping ball game table structure including a ball game table and a seat compartment. The ball game table includes a serve section, a lane section and a pocket section. A starting point is disposed on the serve section for the floating/dropping ... | 10/09/2001 |
| 6257573 | Device for supplying/retaining/checking balls for labyrinth-type games of chance The board game (1), with the conventional pivots (2) determining the labyrinth-type course for the ball, is framed by a circumferential channel (5) in which there is a ring (8) provided with at least one lateral, internal opening (12) so that, upon the ro... | 07/10/2001 |
| 6227967 | Prize redemption game apparatus A prize redemption game apparatus includes an elongated runway, an elastic abutment member at the second end of the runway, and a rollable object disposed for rolling travel along the runway between the first end and the second end. The playing is dispose... | 05/08/2001 |
| 5931465 | Game device The present invention is embodied in a game device for playing a game in which a moving body is levitated above a play field board by air emitted from a number of holes formed in the play field board. A moving body feeding device automatically feeds the m... | 08/03/1999 |
| 5509655 | Flipped ball game apparatus The present invention includes a ball shooting mechanism for shooting a PACHINKO ball into a play field, a variable display apparatus capable of variably displaying a plural kinds of identification information, and a starting condition determining means f... | 04/23/1996 |
| 5318298 | Arcade game An arcade game including a progressive bonus apparatus connected to a plurality of individual game units. The progressive bonus apparatus receives score contributions from each game unit to increase a progressive score. When players achieve a predetermine... | 06/07/1994 |
| 5131655 | Flipped ball game apparatus A flipper ball game apparatus includes: a ball shooting mechanism for shooting a ball into a playfield; starting condition determiner for determining satisfaction of game starting conditions satisfied by operation of a start button by a player under such ... | 07/21/1992 |
| 5004238 | Ball-shooting game machine In a ball shooting game machine, such as a pachinko game machine having winning holes, controls for permitting the player to obtain winning balls regardless of his skill, wherein the controls effect a first state disadvantageous to the player and then a s... | 04/02/1991 |
| 4986543 | Single and/or double player pinball machine A pinball machine which may be played by a single player for a pair of players either playing against one another or as a team. The invention comprises a pair of pinball playing fields joined together at one end and having a common scoreboard, typically p... | 01/22/1991 |
| 4981298 | Ball diverter playfield feature for pinball machines A ball diverting playfield feature for pinball games employs a pair of abutting surfaces disposed on or above the playfield, which can be separated to create an alternate ball path. A solenoid mechanism controls the positions of the surfaces.... | 01/01/1991 |
| 4979739 | Ball return control apparatus A pool table having a playing surface with which ball accomodating pockets are associated. Pocketed balls are conveyed by a runway system via a trap toward a compartment at one end of the table that is accessible to a player. The trap has a gate operable ... | 12/25/1990 |
| 4595202 | Game apparatus utilizing a ball controlled electrical switch A game apparatus consisting of a housing with a game playing surface. A ball is rolled on the playing surface by a conventional shooting device. The playing surface has openings and the ball, propelled from the front towards the rear end, falls into one o... | 06/17/1986 |
| 4569522 | Gaming device using visible randomization A gaming apparatus uses a group of distinctively colored marbles which are released to travel down an inclined path consisting of four mutually perpendicular segments. A series of deflecting pins are provided along the path for randomizing movement of the... | 02/11/1986 |
| 4477078 | Game apparatus A game apparatus consisting of a housing with a game playing surface. A ball is rolled on the playing surface by a conventional shooting device. The playing surface has openings and the ball, propelled from the front towards the rear end, falls into one o... | 10/16/1984 |
| 4355802 | Billiard table A billiard table having a playing surface, a plurality of pockets associated with the playing surface, ball collecting mechanism below the playing surface for transferring balls entering the pockets into a common channel, circuitry including an electrical... | 10/26/1982 |
| 4269413 | Pinball game A pinball game is provided having two pairs of flippers, each pair being coordinately actuated by the pulling of a spring-biased lever toward the user. A spring-loaded ball projecting mechanism is provided operatively coupled by a ratchet to a ball counti... | 05/26/1981 |
| 4249739 | Golf putting practice device A golf putting practice device having a ramp with a ball receiving pocket therein, a kicker being disposed in position to return putted balls falling into the pocket, and a rib disposed in upright position in the front portion of the pocket to engage and ... | 02/10/1981 |
| 4244574 | Pinball machine with conical playfield A pinball machine having a main body with a circular upper margin and a conical playing surface extending downwardly from said upper margin and inwardly toward the center of the body. The body has a ball-actuating plunger and curved track near said upper ... | 01/13/1981 |
| 4130280 | Game apparatus A device for playing a game, such as a simulated golf game, wherein the object is to place a ball in a series of holes in the least number of shots. Playing balls equal in number to a preselected number of players and having electrically conductive surfac... | 12/19/1978 |
| 4002338 | Amusement game device An amusement game device played by two people having an arcuate playing surface supported above the surface of the ground by a support system, a plurality of holes formed in the playing surface at opposite lower ends thereof, a flipper device movably moun... | 01/11/1977 |