Ryken; James D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ryken; James D..The latest application filed is for "joystick device".
- Ryken; James D. - Maple Grove MN
- Ryken; James D. - Roland IA
| Patent | Date |
|---|---|
| Joystick device Grant 7,456,828 - Schottler , et al. November 25, 2 | 2008-11-25 |
| Joystick device App 20050068295 - Schottler, Joseph J. ; et al. | 2005-03-31 |
| Single-piece proportional control Grant 6,260,468 - Ryken , et al. July 17, 2 | 2001-07-17 |
| Ball joint for servo piston actuation in a bent axis hydraulic unit Grant 6,257,119 - Ryken , et al. July 10, 2 | 2001-07-10 |
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