Johnston; Randy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnston; Randy.The latest application filed is for "ink supply reservoir".
- Johnston; Randy - Burnsville MN
- Johnston; Randy - Lakeville MN
- Johnston; Randy - Conroe TX
Trademarks
| Patent | Date |
|---|---|
| Ink supply reservoir Grant 8,857,933 - Campion , et al. October 14, 2 | 2014-10-14 |
| Ink Supply Reservoir App 20120019575 - Campion; Kevin ; et al. | 2012-01-26 |
| Ink jet printer Grant 7,866,810 - Campion , et al. January 11, 2 | 2011-01-11 |
| Ink jet printer App 20080192075 - Campion; Kevin ; et al. | 2008-08-14 |
| Composite seal for rotary cone rock bits Grant 5,362,073 - Upton , et al. November 8, 1 | 1994-11-08 |
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