BEIJING RUTIAN SCIENCE AND TECHNOLOGY CO., LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0166,160 MULTI-LEVEL MICRO-SWITCHAbandonedApr 28, 08Jul 02, 09[H01H]
2009/0166,410 MULTIFUNCTION ATTENDANCE CHECKING SYSTEMAbandonedMay 15, 08Jul 02, 09[G06K]
2009/0166,413 ENTRANCE GUARD SYSTEM USING ARBITRARY CARDAbandonedMay 14, 08Jul 02, 09[G06K]
2009/0167,523 SELF-POSITIONING REMOTE BURGLARY ALARM SYSTEMAbandonedMay 09, 08Jul 02, 09[G08B, H04Q]
2009/0167,530 REMOTE PUBLIC FULL-TIME ANTI-THEFT SYSTEMAbandonedApr 30, 08Jul 02, 09[G08B]

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