Uhlenbrock; Johannes
Patent Applications and Registrations
Patent applications and USPTO patent grants for Uhlenbrock; Johannes.The latest application filed is for "seat furniture, more especially office swivel chair".
- Uhlenbrock; Johannes - Drensteinfurt DE
- Uhlenbrock; Johannes - D-48317 Drensteinfurt DE
| Patent | Date |
|---|---|
| Synchronous mechanism for a chair Grant 8,931,841 - Kelm January 13, 2 | 2015-01-13 |
| Seat Furniture, More Especially Office Swivel Chair App 20140339870 - Uhlenbrock; Johannes | 2014-11-20 |
| Seating furniture, more especially office swivel chair Grant 8,833,856 - Uhlenbrock September 16, 2 | 2014-09-16 |
| Synchronous Mechanism For A Chair App 20130221718 - Kelm; Carsten | 2013-08-29 |
| Seating Furniture, more especially Office Swivel Chair App 20120019035 - Uhlenbrock; Johannes | 2012-01-26 |
| Chair Grant 6,688,688 - Uhlenbrock February 10, 2 | 2004-02-10 |
| Chair Grant 6,523,896 - Uhlenbrock February 25, 2 | 2003-02-25 |
| Chair App 20020084681 - Uhlenbrock, Johannes | 2002-07-04 |
| Chair, in particular office chair Grant 6,234,573 - Roder , et al. May 22, 2 | 2001-05-22 |
| Swivel chair Grant 6,000,755 - Uhlenbrock December 14, 1 | 1999-12-14 |
| Chair control with forward tilt Grant 5,333,368 - Kriener , et al. August 2, 1 | 1994-08-02 |
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