Wolfgang C. Lehmann

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Maple Grove, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Squeegee mounting assembly for a floor scrubber
- Patent number 6,519,808
- Issue date Feb 18, 2003
- Nilfisk-Advance, Inc.
- Donald J. Legatt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Riding floor scrubber
- Patent number 6,442,789
- Issue date Sep 3, 2002
- Nilfisk-Advance, Inc.
- Donald J. Legatt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Riding floor scrubber
- Patent number 6,397,429
- Issue date Jun 4, 2002
- Nilfisk-Advance, Inc.
- Donald J. Legatt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Riding floor scrubber
- Publication number 20020148068
- Publication date Oct 17, 2002
- Donald J. Legatt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Riding floor scrubber
- Publication number 20020050020
- Publication date May 2, 2002
- Donald J. Legatt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Riding floor scrubber
- Publication number 20020007529
- Publication date Jan 24, 2002
- Donald J. Legatt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...