RACQUETBALL TENNIS RACQUETS

Brand Owner (click to sort) Address Description
ANSWER ALBAO, CECIL 220 Puuhale Rd., #A-4 Honolulu HI 96819 racquetball and tennis racquets;
G GRAFALLOY CORPORATION 1020 North Marshall Avenue El Cajon CA 92020 Racquetball and Tennis Racquets;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. An application of rate gyros and accelerometers allows electronic measurement of the motion of a rigid or semi-rigid body, such as a body associated with sporting equipment including a fly rod during casting, a baseball bat, a tennis racquet or a golf club during swinging. For instance, data can be collected by one gyro according to the present invention is extremely useful in analyzing the motion of a fly rod during fly casting instruction, and can also be used during the research, development and design phases of fly casting equipment including fly rods and fly lines. Similarly, data collected by three gyros and three accelerometers is extremely useful in analyzing the three dimensional motion of other sporting equipment such as baseball bats, tennis racquets and golf clubs. This data can be used to support instruction as well as design of the sporting equipment.