1
Jay Smith III, Kevin Hudson, Bill Hudson: Throw-measuring football. Smith Engineering, Price Gess & Ubell, July 14, 1998: US05779576 (115 worldwide citation)

The invention discloses an amusement projectile characterized in a first embodiment by a football shape which is thrown by a user and which comprises electronics therein to measure and display the distance traveled by the thrown ball to the point of impact with the ground or to another user. Using a ...


2
Anthony J Antonious: Metal wood type golf club head with improved weight distribution and configuration. Finnegan Henderson Farabow Garrett & Dunner L, June 9, 1998: US05762567 (95 worldwide citation)

A metal wood-type golf club head has an improved weight distribution and configuration through the inclusion of a ledge interfacing with the ball striking face and upper surface and a peripheral mass positioned along at least the majority of the ball striking face and the crown of the club head and ...


3
Speeth Sheridan D: Game device including selectively impact operable lights. Autotelic, May 25, 1971: US3580575 (94 worldwide citation)

An impact toy, such as a ball, capable of withstanding an impact and having three different colored lamps supported within the interior of the toy. A switch device having a movable contact and three fixed contacts each associated with a different colored lamp is provided in an electrical circuit so ...


4
Eckhard H Kuesters: Golf ball locator. Oblon Spivak McClelland Maier & Neustadt P C, Oblon Spivak McClelland Maier & Neustadt P C, September 5, 2000: US06113504 (84 worldwide citation)

A golf ball locator system. The golf ball comprises a transmitter that transmits a coded signal, identifying the ball, and that is received by an array of receivers. The receivers measure either the angle of arrival, or the time of arrival of the signal, which is transmitted to a processor that uses ...


5
Steven Rehkemper, Michael Kass, Bret Gould: Electronic football capable of measuring throwing statistics. Rehco, June 24, 2003: US06582330 (69 worldwide citation)

The electronic football of the present invention is capable of calculating various throwing statistics. The electronic football includes a start switch in communication with a timer means that starts when the start switch is released approximately simultaneously when the football is thrown. Upon imp ...


6
Paul F Sullivan, Francis deS Lynch, William Gobush, Hoyt C Hottel Jr: Golf club impact and golf ball launching monitoring system. Acushnet Company, Eyre Mann Lucas & Just, January 23, 1979: US04136387 (66 worldwide citation)

Electro-optical sensors measure the location of a plurality of spots on the surface of a golf club head or a golf ball at a minimum of two precisely spaced points in time. The two time points for the club head are just prior to impact with the golf ball. The two time points for the golf ball are jus ...


7
Hendry Robert S: Ball having internal lighting system. Cannon Jr James J, Cannon James J, April 16, 1974: US3804411 (66 worldwide citation)

This invention pertains to an educational toy called a comet ball which may be utilized in many games involving both skill and chance. The comet ball comprises a plastic ball having a source of interior illumination and having designed on its surface small areas through which light shines brightly. ...


8
Martin Englmeier: Apparatus with a signal receiving unit for locating golf balls. IPU Int Patents Utilization, Evenson McKeown Edwards & Lenahan, June 13, 1995: US05423549 (55 worldwide citation)

The invention relates to a device with a signal receiving unit for locating golf balls. Each golf ball is associated with a transmitting unit and the signals emitted by each transmitting unit are detected by the signal receiving unit. The transmitting unit is associated with an energy store as an op ...


9
Doris H Topliffe: Ball with extending tethers serving as a toy especially for small dogs. Roy E Mattern Jr, March 30, 1982: US04321888 (55 worldwide citation)

A ball with extending tethers serves as a toy especially for small dogs. Two molded hollow halves adhered together to form the ball are each formed with at least two and preferably four integral cylindrical interior passageway embossments, equally spaced, which when aligned with those of the other h ...


10
Lemelson Jerome H, Elfman Allan M: Ball for target games. November 4, 1975: US3917271 (54 worldwide citation)

Structures are provided in missiles for use in toy target games and the like having a multitude of upstanding hook-like formations secured thereto and operable to retain the missiles against a target surface. In one form, a missile in the shape of a hollow spheroid is moulded of plastic and includes ...