31
Keith Wen: Rubber pad construction with resilient protrusions. Ladas & Parry, December 29, 1998: US05853844 (65 worldwide citation)

A rubber pad construction is adapted for use in making a shoe sole, a shoe pad, a face layer of a table-tennis paddle, a shell of a ball, etc. The rubber pad construction includes a substrate, and a plurality of first and second protrusions which extend outwardly from one side of the substrate at in ...


32
Thomas J Walls: Multi-sport exerciser. John H Calhoun Jr, May 11, 1982: US04328964 (63 worldwide citation)

An apparatus for exercising and developing the muscles used in certain athletic endeavors comprising a plurality of elastic ropes, means for anchoring one end of each elastic rope to a stationary object, a plurality of handles made to conform in size, shape and construction to handles commonly used ...


33
Hiroshi Matsumura, Koji Nii: Grip tape. Asahi Kagaku Kogyo, Lowe Price Leblanc & Becker, October 8, 1991: US05055340 (63 worldwide citation)

A grip tape for wrapping the gripping handle of a tennis racket, a badminton racket, a golf club, or the like which includes a porous flexible sheet with numerous thin holes provided by coating a polyurethane on a nonwoven fabric so as to provide the user with various effects such as a smooth touch ...


34
Bruce W Harrell: Detachable shoe-pocket system. John F McClellan Sr, April 2, 1985: US04507882 (62 worldwide citation)

A quick-attach, quick-detach shoe accessory in the form of a container for carrying keys, rings, paper money, coins and like items on the instep of a tennis shoe or other lace type shoe, has a sheath-like body with open top end with a covering flap and closed bottom and pleated sides securable to a ...


35
Bobby V Hundley: Dual compartment food tray. Emrich & Dithmar, January 17, 1995: US05381901 (62 worldwide citation)

A nestable food or snack tray having a pair of recessed food storage compartments each adapted to receive and hold food is vacuum molded from a single sheet of lightweight plastic, such as polystyrene. A first recessed compartment is shaped in the form of an athletic field or stadium such as a tenni ...


36
Stephen J Davis, Andre Terzaghi: Long tennis racquet. Prince Sports Group, White & Case, November 7, 1995: US05464210 (59 worldwide citation)

A tennis racquet has an overall length greater than 28 inches, preferably between 29 and 32 inches, an egg shape strung surface having a length of at least 14 inches, and a strung surface area greater than 95 square inches. The frame is of widebody construction and formed of a composite material so ...


37
Tranfield George: Pile fabric method and product. Chas W House & Sons Incorporated, August 15, 1972: US3684284 (59 worldwide citation)

A pile fabric designed particularly for use as a cover of a tennis ball. The fabric has a base structure comprising knitted cotton yarns, preferably in two layers laid back-to-back. A pile surface is provided on one side of the base structure by a fleece preferably composed of a plurality of carded ...


38
Green Wallace V: Automatically operated spring-type projectile projecting device. October 5, 1971: US3610223 (59 worldwide citation)

A tennis ball launcher described wherein one ball at a time is selected from a hopper containing a supply of balls and positioned in a ball feed mechanism on a pair of spaced parallel supports. A mounted rotatable cylinder through which the balls pass from the hopper to the ball feed assembly has a ...


39
Samuel F Stewart: Racket weighting means. Lee & Smith, October 4, 1977: US04052061 (58 worldwide citation)

An improved racket weighting device for use with any existing racket having a shaft with a throat connected to a frame during warm-up, practice or actual play in sports such as tennis, badminton, squash or the like. The device includes a non-continuous flexible member adapted to be wrapped at least ...


40
Alfonso Puyana: Therapeutic pressure strap. Brown & Martin, January 6, 1981: US04243028 (58 worldwide citation)

A therapeutic pressure strap primarily for the purpose of treating "tennis elbow" includes a flexible inelastic band having fastening means on both ends thereof for fastening around either the upper or lower extremities of a person, and includes a pressure concentrating portion on the inside of the ...



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