Invention Grant
- Patent Title: Tennis backboard for excellent rebound and low noise
- Patent Title (中): 网球背板出色的反弹和低噪音
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Application No.: US14151779Application Date: 2014-01-09
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Publication No.: US09302166B2Publication Date: 2016-04-05
- Inventor: Sai Karthik Annapragada
- Applicant: Sai Karthik Annapragada
- Main IPC: A63B69/00
- IPC: A63B69/00
Abstract:
A tennis practice device that has a rebound surface made out of composite material consisting of cement, ground calcium silica, cellulose fibers, wood fibers and other select additives such as fly ash and a sound dampening material sandwiched between the rebound surface and the support structure.
Public/Granted literature
- US20150190701A1 Tennis Backboard for Excellent Rebound and Low Noise Public/Granted day:2015-07-09
Information query
