RAM PRODUCTS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5365378 Convex reflective signExpiredJun 17, 92Nov 15, 94[G02B]
5342057 Interactive, tabletop signage assemblyExpiredFeb 01, 93Aug 30, 94[A63F, G09F]
5214539 Concave mirror with convex acrylic coverExpiredJul 27, 92May 25, 93[G02B]
5183688 Convex reflective sign and method of making sameExpiredJan 08, 91Feb 02, 93[B05D]
4864317 Combination satellite antenna-solar collectorExpiredFeb 07, 83Sep 05, 89[H01Q]
4851061 Method and apparatus for patterned cut of thermoplasticsExpiredFeb 26, 88Jul 25, 89[B29D, B32B, B44C]
4842921 Patterned mirrorExpiredMar 16, 87Jun 27, 89[G02B]
4784170 Fuel injector cleaner kitExpiredMay 28, 87Nov 15, 88[B08B, F02B]
4742121 Acrylate resin gel coat compositionExpiredNov 07, 86May 03, 88[C08F]
4587323 Polyester resin gelkote compositionExpiredApr 29, 85May 06, 86[C08G]
4533591 Process for producing a device for reflecting electromagnetic energy and product produced therebyExpiredNov 21, 83Aug 06, 85[B32B]
4473424 Decorative mirrored articleExpiredMar 01, 83Sep 25, 84[B32B]
4469089 Lightweight, low cost radiant energy collector and method for making sameExpiredFeb 02, 82Sep 04, 84[F24J]
D275062 Convex hemispherical mirror panel for a suspended ceiling gridExpiredJun 02, 80Aug 14, 84[]
4402663 Automatic ignition and flame detection system for gas fired devicesExpiredApr 28, 81Sep 06, 83[F23N]
4339400 Process for producing three-dimensional, mirrored acrylic articlesExpiredMay 11, 81Jul 13, 82[B29D]
4265612 Intermittent pulsing gas ignition systemExpiredMar 08, 79May 05, 81[F23N]

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