Automatic Devices Company

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4915496 Motorized bottom masking device for wide and/or curved motion picture screensExpiredApr 29, 88Apr 10, 90[G03B]
D259330 Door mounting carrier for a track supported transaction security enclosure doorExpiredSep 18, 79May 26, 81[D080]
4244302 Door mounting and operating apparatus for security transaction enclosures and the likeExpiredSep 18, 79Jan 13, 81[E05G]

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