Darrin W. Dauffenbach

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Pewaukee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable vibratory screed with bubble vial inclination indication s...
- Patent number 7,686,538
- Issue date Mar 30, 2010
- Wacker Neuson Corporation
- Todd J. Lutz
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Method of making and using a dynamically balanced walk behind trowel
- Patent number 7,172,365
- Issue date Feb 6, 2007
- Wacker Corporation
- Todd J. Lutz
- E04 - BUILDING
Information Patent Grant
Dynamically balanced walk behind trowel
- Patent number 6,974,277
- Issue date Dec 13, 2005
- Wacker Corporation
- Todd J. Lutz
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Portable Vibratory Screed with Bubble Vial Inclination Indication S...
- Publication number 20070292208
- Publication date Dec 20, 2007
- Wacker Corporation
- Todd J. Lutz
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Method of making and using a dynamically balanced walk behind trowel
- Publication number 20060006369
- Publication date Jan 12, 2006
- Wacker Corporation
- Todd J. Lutz
- E04 - BUILDING
Information Patent Application
Dynamically balanced walk behind trowel
- Publication number 20050100404
- Publication date May 12, 2005
- Wacker Corporation
- Todd J. Lutz
- E04 - BUILDING