Inventor
WAEGER KARL-HEINZ
AT4 patents
Patents
4 patentsUS5183265AFeb 2, 1993
Racquets, in particular tennis racquets
HEAD SPORTGERAETE GMBH12 citations70
US5075056ADec 24, 1991
Process for the production of a ball game racket frame
HEAD SPORTGERAETE GMBH17 citations70
US4776592AOct 11, 1988
Device for the protection of the strings of a ball racket, particularly tennis racket
HEAD SPORTGERAETE GMBH11 citations70
US4974845ADec 4, 1990
Ball Beater as well as process for producing same
HEAD SPORTGERAETE GMBH1 citations49