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Larry D. Wydra
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Plymouth, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Surface maintenance vehicle with self-cleaning reservoir that captu...
Patent number
10,368,712
Issue date
Aug 6, 2019
Tennant Company
Larry David Wydra
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Integral vacuum fan housing
Patent number
8,562,704
Issue date
Oct 22, 2013
Tennant Company
Kurt Clarence Adelman
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Method and apparatus for cleaning fabrics, floor coverings, and bar...
Patent number
7,967,914
Issue date
Jun 28, 2011
Tennant Company
Daniel G. Giddings
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Fluid recovery device
Patent number
7,059,013
Issue date
Jun 13, 2006
Tennant Company
Larry D. Wydra
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Dual mode carpet cleaning apparatus utilizing an extraction device...
Patent number
6,735,812
Issue date
May 18, 2004
Tennant Company
Frederick A. Hekman
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Apparatus for cleaning fabrics, floor coverings, and bare floor sur...
Patent number
6,662,402
Issue date
Dec 16, 2003
Tennant Company
Daniel G. Giddings
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
Information
Patent Application
SURFACE MAINTENANCE VEHICLE WITH SELF-CLEANING RESERVOIR THAT CAPTU...
Publication number
20140366317
Publication date
Dec 18, 2014
Larry David Wydra
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Integral Vacuum Fan Housing
Publication number
20110289723
Publication date
Dec 1, 2011
Kurt Clarence Adelman
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Method and Apparatus for Cleaning Fabrics, Floor Coverings, and Bar...
Publication number
20090293912
Publication date
Dec 3, 2009
TENNANT COMPANY
Daniel G. Giddings
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Integral Vacuum Fan Housing
Publication number
20080276413
Publication date
Nov 13, 2008
Kurt Clarence Adelman
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Hard and soft floor surface cleaner
Publication number
20060236494
Publication date
Oct 26, 2006
TENNANT COMPANY
David Alan Nelson
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Method and apparatus for cleaning fabrics, floor coverings, and bar...
Publication number
20040172769
Publication date
Sep 9, 2004
Daniel G. Giddings
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Fluid recovery device
Publication number
20040045118
Publication date
Mar 11, 2004
Larry D. Wydra
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Dual mode carpet cleaning apparatus utilizing an extraction device...
Publication number
20030159232
Publication date
Aug 28, 2003
Frederick A. Hekman
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Apparatus and method for cleaning fabrics, floor coverings, and bar...
Publication number
20020194692
Publication date
Dec 26, 2002
Daniel G. Giddings
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...