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Erich Pfenniger
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Luzern, CH
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Patents Grants
last 30 patents
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Patent Grant
Method and device for determining the rectilinearity of guide rails
Patent number
7,024,780
Issue date
Apr 11, 2006
Inventio AG
Erich Pfenniger
B66 - HOISTING LIFTING HAULING
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Patent Grant
Method and device for determining the state of a rail stretch
Patent number
6,809,650
Issue date
Oct 26, 2004
Inventio AG
Erich Pfenniger
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
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Patent Application
Method and device for determining the rectilinearity of guide rails
Publication number
20040154174
Publication date
Aug 12, 2004
Erich Pfenniger
B66 - HOISTING LIFTING HAULING
Information
Patent Application
Method and device for determining the state of a rail stretch
Publication number
20030058120
Publication date
Mar 27, 2003
Erich Pfenniger
B66 - HOISTING LIFTING HAULING