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Trevor Alan Wade
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Bel Air, MD, US
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Patents Grants
last 30 patents
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Patent Grant
Golf putting trainer device
Patent number
9,586,122
Issue date
Mar 7, 2017
John R Spelman
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Golf putting trainer device
Patent number
8,968,113
Issue date
Mar 3, 2015
John R Spelman
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
GOLF PUTTING TRAINER DEVICE
Publication number
20150165299
Publication date
Jun 18, 2015
John R. Spelman
A63 - SPORTS GAMES AMUSEMENTS
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Patent Application
GOLF PUTTING TRAINER DEVICE
Publication number
20140155187
Publication date
Jun 5, 2014
John R. Spelman
A63 - SPORTS GAMES AMUSEMENTS