Assignee
SCHWENGER RALF
DE·2 granted patents·3 pending applications·29 citations·filing 2005–2010
Technology mixA63B5
Top patents by PatentIndex Score
5 records- 0189US8602922B2Methods and apparatuses for enhancing performance in racket sportsSCHWENGER RALF·Filed 2010·Granted Dec 10, 2013·29 cites·30 claims
- 0255US9095750B2RacketSCHWENGER RALF·Filed 2009·Granted Aug 4, 2015·0 cites·19 claims
- 0346US2006205543A1Ball play racket, especially tennis racketSCHWENGER RALF·Filed 2006·Application pending·0 cites
- 0446US2006199681A1Ball play racketSCHWENGER RALF·Filed 2006·Application pending·0 cites
- 0545US2006199680A1Ball game racquet, especially tennis racquetSCHWENGER RALF·Filed 2005·Application pending·0 cites
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