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Golf ball locator
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Patent number 6,634,959
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Issue date Oct 21, 2003
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Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
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Eckhard H. Kuesters
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A63 - SPORTS GAMES AMUSEMENTS
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Golf ball locator
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Patent number 6,113,504
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Issue date Sep 5, 2000
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Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
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Eckhard H. Kuesters
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A63 - SPORTS GAMES AMUSEMENTS