Patent applications and USPTO patent grants for Ward; Derek.The latest application filed is for "programmable logic controller and related electronic devices".
Patent | Date |
---|---|
Programmable controller for use with monitoring device Grant 7,672,738 - Ward March 2, 2 | 2010-03-02 |
Programmable logic controller and related electronic devices Grant 7,612,582 - Ward November 3, 2 | 2009-11-03 |
Programmable logic controller and related electronic devices App 20080058962 - Ward; Derek | 2008-03-06 |
Programmable logic controller and related electronic devices App 20060079970 - Ward; Derek | 2006-04-13 |
Programmable controller App 20020099455 - Ward, Derek | 2002-07-25 |
Programmed controller Grant 4,802,116 - Ward , et al. January 31, 1 | 1989-01-31 |
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