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Patent applications and USPTO patent grants for Ellingstad; Sidney A..The latest application filed is for "retroreflective sheeting".
Patent | Date |
---|---|
Retroreflective sheeting Grant 10,618,234 - Smith , et al. | 2020-04-14 |
Retroreflective Sheeting App 20180117863 - Smith; Kenneth L. ;   et al. | 2018-05-03 |
Retroflective sheeting Grant 9,878,507 - Smith , et al. January 30, 2 | 2018-01-30 |
Retroflective Sheeting App 20140285890 - SMITH; KENNETH L. ;   et al. | 2014-09-25 |
Retroreflective sheeting Grant 8,783,879 - Smith , et al. July 22, 2 | 2014-07-22 |
Retroreflective sheeting Grant 8,371,703 - Smith , et al. February 12, 2 | 2013-02-12 |
Retroreflective Sheeting App 20110255165 - Smith; Kenneth L. ;   et al. | 2011-10-20 |
Retroreflective Sheeting App 20100103521 - Smith; Kenneth L. ;   et al. | 2010-04-29 |
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