Invention Grant
- Patent Title: Training device for improving a tennis players swing
- Patent Title (中): 用于改善网球运动员挥杆的训练装置
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Application No.: US13754400Application Date: 2013-01-30
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Publication No.: US08771108B2Publication Date: 2014-07-08
- Inventor: Yann O. Auzoux
- Applicant: Yann O. Auzoux
- Agency: Buchanan Ingersoll & Rooney PC
- Main IPC: A63B69/38
- IPC: A63B69/38

Abstract:
A training device which includes a face with a first region and a second region, said first region adapted to provide an first auditory output when struck by a tennis ball and said second region adapted to provide a second auditory output when struck by a tennis ball, wherein said first auditory output and said second auditory output are different, a circumferentially grooved region adjacent said face, and a ringlet engageable with said grooved region.
Public/Granted literature
- US20130296081A1 TRAINING DEVICE FOR IMPROVING A TENNIS PLAYERS SWING Public/Granted day:2013-11-07
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