ALVIN J. GOTTLIEB

Patent Owner

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5064196 Pinball machine having pivoted double-inclined playing surfaceExpiredAug 13, 90Nov 12, 91[A63F, A63D]
4971323 Player controlled ball sensing device for use in a pinball gameExpiredAug 10, 89Nov 20, 90[A63D, A63B]

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