11
Dave Marinelli: Time of motion, speed, and trajectory height measuring device. Silicon Pie, James R Young, June 6, 2000: US06073086 (126 worldwide citation)

A device for measuring the time of flight, speed, and trajectory height of a projectile, such as a baseball, football, hockey puck, or model rocket, or the time and speed of swing of a movable object, such as a baseball bat or golf club. Part of the device, called the object unit, is embedded, secur ...


12
Dave Marinelli: Speed, spin rate, and curve measuring device. Silicon Pie, James R Young, November 14, 2000: US06148271 (122 worldwide citation)

A device for measuring a movable object, such as a baseball, football, hockey puck, soccer ball, tennis ball, or a golf ball. Part of the device, called the object unit, is embedded, secured, or attached to the movable object of interest, and consists of an accelerometer network, electronic processo ...


13
Keenan O Holte: Sporting event options market trading game. Oris L L C, John D Titus, O Connor Cavanagh, February 3, 1998: US05713793 (120 worldwide citation)

A commodities options trading game is provided in which the simulated market, which determines whether the value of the simulated commodities options rise or fall, is determined by a real event occurring outside the game being played. In a preferred embodiment, the event from which the simulated mar ...


14
Michael H McTeigue, Art Zias: Sports training system and method. June 22, 1993: US05221088 (116 worldwide citation)

A sports training aid has a pair of foot sensors, insertable in a pair of shoes, which generate measurement signals indicative of weight applied to each of the foot sensors. The training aid compares the measurement signals with a specified range of values and produces audible sounds indicative of t ...


15
Robert A Cobb, Charles E Tarr: Swing parameter measurement system. Swingspeed, Daniel H Kane Jr, July 26, 1988: US04759219 (112 worldwide citation)

A transistor logic device uses a signal from a transducer responsive to the centrifugal force experienced in or near the strike zone of a baseball bat during the swing to digitally process and numerically display numerals representative of the maximum centrifugal force experienced during the swing. ...


16
Robert D Shomo: Shock and vibration absorbent handle. Robert G Mentag, April 28, 1987: US04660832 (107 worldwide citation)

A shock and vibration handle for application to the hand gripping portion of the normal handle of an impacted, vibration sensitive item, such as, a tennis racket, a racquetball racket, a golf club, a baseball bat, and other impact devices, such as hammers, and the like. The shock and vibration absor ...


17
Barry J French: Sports scoring device including a piezoelectric transducer. D Peter Hochberg, Mark M Kusner, Louis J Weisz, April 25, 1989: US04824107 (106 worldwide citation)

Disclosed is a device for generating an analog output signal indicative of an impact to a transucer. The tranducer may be mounted on protective equipment utilized in various martial arts fields, such as headgear, hand or footgear, protective vests and the like or can be mounted on training equipment ...


18
David J Marinelli: Speed, spin rate, and curve measuring device using multiple sensor types. Silicon Pie, James R Young, December 5, 2000: US06157898 (104 worldwide citation)

A device for measuring a movable object, such as a baseball, football, hockey puck, soccer ball, tennis ball, bowling ball, or a golf ball. Part of the device, called the object unit, is embedded, secured, or attached to the movable object of interest, and consists of an accelerometer network, elect ...


19
Tyler J McKinley, Marc D Miller, J Scott Carr, William Y Conwell: Digital watermarks and trading cards. Digimarc Corporation, William Y Conwell, Digimarc Corporation, May 11, 2004: US06735324 (92 worldwide citation)

Digital watermarks can be employed in conjunction with trading cards (e.g., baseball cards, fantasy game cards, etc.) to serve a variety of purposes. Among these are facilitating on-line collecting and game-play. Digital watermarks may also be used in distinguishing genuine cards from counterfeits.


20
Lionel P Lopez: Glove apparatus. Lion s Sports, Alton W Payne, September 8, 1987: US04691387 (88 worldwide citation)

An athletic glove apparatus for providing a non-slip grip and for providing padding and protection to the hand and the various areas of impact for use in different sports. A baseball glove apparatus comprises a glove and a bat wrap, the glove comprising a palm truss, a thumb truss a lower finger tru ...



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