Earl O.F. Krueger JR.

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for curing floor coatings using ultraviolet radiation
- Patent number 6,761,127
- Issue date Jul 13, 2004
- Tennant Company
- Bruce F. Field
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Cleaner cartridge
- Patent number D485175
- Issue date Jan 13, 2004
- Tennant Company
- Bruce F. Field
- D09 - Packages and containers for goods
Information Patent Grant
Apparatus and method of use for cleaning a hard floor surface utili...
- Patent number 6,585,827
- Issue date Jul 1, 2003
- Tennant Company
- Bruce F. Field
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Variable diameter cleaning brush
- Patent number 6,125,495
- Issue date Oct 3, 2000
- Tennant Company
- David W. Berg
- A46 - BRUSHWARE
Information Patent Grant
Curing of floor coatings using long and short wave ultraviolet radi...
- Patent number 6,096,383
- Issue date Aug 1, 2000
- Tennant Company
- David W. Berg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Methods and apparatus for curing floor coatings using ultraviolet r...
- Publication number 20030159308
- Publication date Aug 28, 2003
- TENNANT COMPANY
- Bruce F. Field
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Apparatus and method of use for cleaning a hard floor surface utili...
- Publication number 20030019068
- Publication date Jan 30, 2003
- Bruce F. Field
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL