Spartanics, Ltd.

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D401872 Dual positional sensor deviceAug 18, 97Dec 01, 98[1004]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8245550 Apparatus for providing a rolling action of a curved tool along a flat stationary substrateExpiredJan 07, 11Aug 21, 12[B21B]
2005/0235,796 Apparatus and method for making articles from flat stock materialAbandonedApr 26, 04Oct 27, 05[B26D]
6688219 Device for printing printed sheets according to the screen printing methodExpiredMar 02, 01Feb 10, 04[B05C]
6467382 Extractor for extracting cut partially cut parts from a sheet of materialExpiredFeb 07, 00Oct 22, 02[B26D, B31B, B26F]
5194008 Subliminal image modulation projection and detection system and methodExpiredMar 26, 92Mar 16, 93[F41G]
4958824 Automatic strip and sheet loader systemExpiredNov 09, 88Sep 25, 90[B65H]
4912317 Pitch match detecting and counting system with tilted optical axisExpiredSep 12, 88Mar 27, 90[H01J, G01V]
4827140 Pseudo sensor pitch match cyclic scanning systemExpiredApr 13, 87May 02, 89[G01N]
4809188 Strip feeding and control systemExpiredOct 17, 86Feb 28, 89[G06F, B65H]
4804325 Weapon training simulator systemExpiredMay 15, 86Feb 14, 89[G09B]
4771443 Pitch match detecting and counting systemExpiredJun 12, 87Sep 13, 88[G06M]
4576262 Method and apparatus for operating a magnetic clutchExpiredDec 27, 83Mar 18, 86[F16D]
4542470 Frequency determining and lock-on systemExpiredJul 16, 84Sep 17, 85[G06M, G01R]
4373135 Pitch matching detecting and counting systemExpiredDec 31, 79Feb 08, 83[G06M]

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