Tennis racquet with strung head - which is fitted with guide grooves or recesses on outer and side surfaces of head frame, forming ring groove open inwards
DE3015960A1
Modified tennis racquet construction - includes longitudinal strings with tension twice as high as cross strings
DE3004646A1
Tennis racquet stringing system - uses at least one string in pre-set alternating sequence indicated by markings near holes of tensioning frame
DE2757971A1
Tennis racquet with special string arrangement - has strung head with longitudinal strings in fan arrangement and uniform spacing for transverse strings
DE2752673A1
Vibration transmission damping for tennis racquet - consists of short sleeves received around string ends adjacent to frame
DE2752624A1
Tennis racquet frame assembly - consists of profiled rod bent into drop-shape with its legs located inside handle sleeve
DE2741741A1
Tennis racket with hollow frame - has granulated weights added to adjust balance of frame for individual user
DE2554267A1
STICK FOR TENNIS O.DGL. GAMES
DE2235791A1
Metal sports racquets - fraying of the strings prevented by providing a continuous plastic cladding
