AERONAUTICAL & GENERAL INSTRUMENTS LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0223,255 PRECISION APPROACH PATH INDICATORAbandonedFeb 29, 12Sep 06, 12[B64F]
4664244 Moving coin validationExpiredApr 22, 86May 12, 87[G07D]
4460080 Coin validation apparatusExpiredMar 04, 82Jul 17, 84[G07D]
4235546 Photographic camera system and a focal plane photographic camera shutter systemExpiredApr 02, 79Nov 25, 80[G03B]

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