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Patent applications and USPTO patent grants for Kretschmer; Manfred.The latest application filed is for "mobile crane having a superlift device".
Patent | Date |
---|---|
Mobile crane having a superlift device Grant 7,252,203 - Frankenberger , et al. August 7, 2 | 2007-08-07 |
Mobile crane having a superlift device App 20050098520 - Frankenberger, Ralf ;   et al. | 2005-05-12 |
Crane, especially a self-propelled crane Grant 6,568,547 - Kretschmer , et al. May 27, 2 | 2003-05-27 |
Ringlift crane Grant 6,516,961 - Knecht , et al. February 11, 2 | 2003-02-11 |
Ring lifting crane Grant 6,474,487 - Kretschmer November 5, 2 | 2002-11-05 |
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