Duell; Charles A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duell; Charles A..The latest application filed is for "multi-stage telescopic cylinders with individual controlled stages".
- Duell; Charles A. - Crestline OH
- DUELL; Charles A. - Fort Payne AL
| Patent | Date |
|---|---|
| Roll off hoist with hinged end portion Grant 9,446,700 - Duell , et al. September 20, 2 | 2016-09-20 |
| Multi-Stage Telescopic Cylinders With Individual Controlled Stages App 20160068092 - DUELL; Charles A. ; et al. | 2016-03-10 |
| Roll Off Hoist With Hinged End Portion App 20130272831 - DUELL; Charles A. ; et al. | 2013-10-17 |
| Roll off hoist with hinged end portion Grant 8,465,246 - Duell , et al. June 18, 2 | 2013-06-18 |
| Roll off hoist with hinged tail and hydraulic reeving system Grant 8,444,365 - Duell , et al. May 21, 2 | 2013-05-21 |
| Container Loading System App 20130084152 - DUELL; Charles A. | 2013-04-04 |
| Roll Off Hoist With Hinged Tail And Hydraulic Reeving System App 20100303595 - Duell; Charles A. ; et al. | 2010-12-02 |
| Roll Off Hoist With Hinged End Portion App 20100303594 - Duell; Charles A. ; et al. | 2010-12-02 |
| Combination hydraulic system and electronically controlled vehicle and method of operating same App 20040098984 - Duell, Charles A. ; et al. | 2004-05-27 |
| Hydraulic system and method of operating same Grant 6,648,576 - Duell , et al. November 18, 2 | 2003-11-18 |
| Hydraulic system and method of operating same Grant 6,312,209 - Duell , et al. November 6, 2 | 2001-11-06 |
| Automated refuse vehicle Grant 6,123,497 - Duell , et al. September 26, 2 | 2000-09-26 |
| Compacting system and refuse vehicle Grant 5,954,470 - Duell , et al. September 21, 1 | 1999-09-21 |
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