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Patent applications and USPTO patent grants for Chalko, Jr.; Gerald F..The latest application filed is for "door management system for field service and delivery personnel".
Patent | Date |
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Door management system for field service and delivery personnel Grant 8,764,071 - Lanigan , et al. July 1, 2 | 2014-07-01 |
Door Management System For Field Service and Delivery Personnel App 20120204490 - Lanigan; William P. ;   et al. | 2012-08-16 |
Door management system for field service and delivery personnel Grant 7,806,326 - Lanigan , et al. October 5, 2 | 2010-10-05 |
Security system for cargo trailers Grant 7,059,159 - Lanigan , et al. June 13, 2 | 2006-06-13 |
Universal adapter for a security system Grant 5,806,355 - Lanigan , et al. September 15, 1 | 1998-09-15 |
Security system for cargo loading doors Grant 5,755,126 - Lanigan , et al. May 26, 1 | 1998-05-26 |
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