Bjarki Hallgrinsson

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Dual filter wet/dry hand-held vacuum cleaner
- Patent number 6,434,785
- Issue date Aug 20, 2002
- Headwaters Research & Development, Inc.
- Rudy A. Vandenbelt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...