Edward I Jones, Gregory Wilson: Adjustable clip-on headphones. May 26, 1992: US05117464 (77 worldwide citation)

Stereo speakers 30 can be disconnected from a crossover headband 10 and clipped onto a variety of headwear in use today, such as a baseball cap, sweatband or sunvisor. A spring-loaded base piece and socket 24 allows the speaker 30 to adjust at an angle perpendicular to the user's ears and rotate 360 ...

Craig Enokian: Video game with playback of live events. Ernest Kettelson, May 5, 1987: US04662635 (77 worldwide citation)

A video game in which a television screen or cathode ray tube is used to display a variety of plays previously preformed by living beings and recorded at the time on a video recording medium, such as video tape or video disks, the particular previously performed play which is displayed during each t ...

Ray Tapia: Cap assembly. James E Brunton, October 17, 1989: US04873726 (77 worldwide citation)

An adjustable baseball type cap assemblage having a crown portion and various interchangeable visor portions. Insignia patches of various styles can be removably affixed to the selected visor and crown portions so that one cap assembly can be modified to identify with two or more athletic teams.

Richard E Coleman: Hat and logo. Larry D Johnson, October 11, 1988: US04776043 (77 worldwide citation)

The present invention provides an improved hat with interchangeable patches that can be selectively attached to the hat. In the preferred embodiment, the hat is a standard, billed, baseball-style cap with some portion of a phrase or logo printed on its front surface, and a strip of fastening materia ...

James R Richards: Protective holder and method of using same. E Russell Tarleton, Seed IP Law Group PLLC, September 4, 2001: US06282826 (76 worldwide citation)

A protective holder for storing and displaying articles, such as photographs, baseball cards, game cards, and the like. The holder is formed from a front sheet that is welded to a back sheet to form a plurality of pockets. Cuts are made in the back sheet to create flaps with tabs that facilitate lif ...

Richard H Cavallaro, James R Gloudemans, Stanley K Honey, Terence J O&apos Brien, Alan C Phillips, William F Squadron, Marvin S White: System for determining the end of a path for a moving object. Sportvision, Vierra Magen Marcus Harmon & DeNiro, October 16, 2001: US06304665 (76 worldwide citation)

A system is disclosed that can determine the distance a baseball would have traveled after being hit if its path was not interrupted. Thus, when a player hits a home run and the ball collides with an obstruction such as the seating area of a stadium or a wall, the present invention can determine how ...

Patrick J Ramone, Paul M Murphy: Protective garment for sports participation. Hardcore Sports, Connolly & Hutz, April 22, 1997: US05621914 (74 worldwide citation)

A protective garment minimizes injury to the wearer resulting from an impact to the general area of the heart. The garment is particularly adapted for use in sports participation such a little league baseball. The garment includes a shirt having a front side with a pocket on the inside of the shirt ...

Garry A Brannon, Michael S Jacobson: Patch attachments for hats. Richard C Litman, November 1, 1994: US05359733 (72 worldwide citation)

The instant invention provides a hat that may simultaneously accept a plurality of patches. The patches may be connected to the hat by hook and loop fasteners. The hat may be a six-panel baseball cap having an area of hook material either integrally forming a portion of the cap or retrofitted to a p ...

Eric Bromley: Electronic baseball game apparatus. Fishman Dionne & Cantor, June 25, 1991: US05026058 (71 worldwide citation)

An electronic baseball game is presented which permits the human operators to input individualized attributes or statistical information relative to the batter, runner and pitcher based on real or fictionalized baseball players. In a preferred embodiment, this statistical information is encoded as a ...

Richard A Hand, John L Watkins: Apparatus for evaluating baseball pitching performance. Fortune 100, Glaser Griggs & Schwartz, January 7, 1986: US04563005 (71 worldwide citation)

Apparatus for detecting and computing the location of a baseball as it is pitched over a plate is disclosed. Infrared receivers are disposed at corner locations on opposite sides of a target zone which is aligned with the plate. First and second arrays of infrared emitters are mounted on opposite si ...