Stefek; Trent Randall
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stefek; Trent Randall.The latest application filed is for "quick coupler hydraulic control system".
- Stefek; Trent Randall - Wamego KS
- STEFEK; Trent Randall - Manhattan KS
| Patent | Date |
|---|---|
| Quick coupler hydraulic control system Grant 9,228,314 - Robl , et al. January 5, 2 | 2016-01-05 |
| Tool coupler system having multiple pressure sources Grant 9,217,235 - Robl , et al. December 22, 2 | 2015-12-22 |
| Quick Coupler Hydraulic Control System App 20140331663 - Robl; Troy ; et al. | 2014-11-13 |
| Tool Coupler Having A Modular Frame Construction App 20140212210 - Robl; Troy Curtis ; et al. | 2014-07-31 |
| Tool coupler having anti-release mechanism Grant 8,684,623 - Robl , et al. April 1, 2 | 2014-04-01 |
| Tool Coupler System Having Multiple Pressure Sources App 20130318841 - ROBL; Troy Curtis ; et al. | 2013-12-05 |
| Tool Coupler Having Anti-release Mechanism App 20130322959 - ROBL; Troy Curtis ; et al. | 2013-12-05 |
| Tool Coupler Assembly App 20130008153 - STEFEK; Trent Randall ; et al. | 2013-01-10 |
| Tool coupler assembly Grant 8,281,506 - Stefek , et al. October 9, 2 | 2012-10-09 |
| Tool Coupler Assembly App 20110209608 - Stefek; Trent Randall ; et al. | 2011-09-01 |
| Quick coupler assembly Grant 7,984,575 - Robl , et al. July 26, 2 | 2011-07-26 |
| Quick Coupler Assembly App 20090007465 - ROBL; TROY CURTIS ; et al. | 2009-01-08 |
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