41
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 ...


42
Alfonso Puyana: Therapeutic pressure strap. Brown & Martin, January 6, 1981: US04243028 (59 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 ...


43
Ferenc Kovacs, Laszl o Juhasz, Attila Szmejkal, Rudolf Liptay: Computer controller ball throwing machine. Handal & Morofsky, June 30, 1992: US05125653 (57 worldwide citation)

A new ball throwing machine for ejecting tennis balls comprising an adjustable ball throwing mechanism, a microcomputer controlling the throwing mechanism for programmed stroke sequences, and a remote control unit attached to the microcomputer and having a touch pad keyboard for direct assignment of ...


44
Horst K Wieder, Klaus A Wieder: Elastic pull-type exerciser. John M Diehl, November 22, 1977: US04059265 (57 worldwide citation)

Grip member for elastic cord used for exercising contains two parallel cylindrical bores with slightly greater diameter than the cable, to slidingly receive the cable and prevent sliding of the cable through the grip member and permit adjusting of the active length of the cable used in any specific ...


45
Judith J Schweitzer: Knapsack with integral storage and carrying pouch. Pollock Vande Sande & Priddy, April 25, 1978: US04085873 (57 worldwide citation)

An improved knapsack or similar receptacle of thin, flexible material includes a patch of the material attached to a wall thereof. An opening through the patch permits the receptacle to be pushed through the opening to form a carrying and storage pouch for the receptacle. A closure is provided for t ...


46
Kent Yeh: Grip for sports racquet. Prince Sports Group, White & Case, April 29, 1997: US05624116 (56 worldwide citation)

A grip for a sports racquet, such as a tennis racquet, a squash racquet, a badminton racquet, or a racquetball racquet, comprises a thin layer of synthetic material and a porous backing material, e.g., felt. One or more longitudinal channels are formed in the thin synthetic layer to expose the backi ...


47
Edward H Hagey: Hand grip for a racquet. Walter W Duft, July 20, 1999: US05924941 (54 worldwide citation)

This invention is a racquet handle configuration for a tennis racquet handle having a knob (50) to engage the forefinger, a protrusion (40) to engage the saddle formed between the forefinger and thumb of the user when using an Eastern forehand grip, and an extended rear surface to receive the thumb ...


48
Froimson Avrum I: Therapeutic support device. Teare Teare & Sammon, February 5, 1974: US3789842 (54 worldwide citation)

A theropeutic support device of the type to be worn by a user, such as a tennis player, on his arm for relief of the pain resulting from the pathological lesion commonly referred to as 'tennis elbow.' The device includes a flexible, elongated band-like body formed from a substantially inelastic mate ...


49
Terry L Sparks: Portable beach cache. Stetina and Brunda, October 8, 1991: US05054507 (53 worldwide citation)

A portable beach cache having a plurality of fabric panels and rigid support members arranged in a picture frame configuration for sheltering the user from wind and wind-blown debris, such as sand. Fold-out feet provide support in soft sand. A handle is provided to simplify carrying and a hook and l ...


50
Peter R Sebastian: Therapeutic forearm appliance having pressure pad containing parallel chambers. Safeguard Industrial Corporation, Wenderoth Lind & Ponack, December 13, 1994: US05372575 (52 worldwide citation)

A therapeutic wrap is securable in an operative orientation around the forearm for relieving stress of the myofascial structures caused by repetitive motion and vibration trauma, such as "tennis elbow". The wrap has a circumference sufficient to encircle the forearm of a user and includes a pocket f ...