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Pinball machine with modular display
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Patent number 4,648,599
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Issue date Mar 10, 1987
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Wico Distribution Company, L.P.
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Max Wiczer
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Spinning target assembly
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Patent number 4,615,525
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Issue date Oct 7, 1986
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Wico Corporation
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Max Wiczer
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A63 - SPORTS GAMES AMUSEMENTS
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Trackball device
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Patent number 4,575,086
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Issue date Mar 11, 1986
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Wico Corporation
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Syng N. Kim
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G06 - COMPUTING CALCULATING COUNTING
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Trackball device
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Patent number 4,505,165
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Issue date Mar 19, 1985
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Wico Corporation
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Max Wiczer
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G06 - COMPUTING CALCULATING COUNTING
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Leg assembly for pinball game
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Patent number 4,128,222
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Issue date Dec 5, 1978
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Wico Corporation
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Max Wiczer
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...