Ronald Walter Grube

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
Chair with continuously adjustable seating angle
- Patent number 6,398,305
- Issue date Jun 4, 2002
- Arconas Corporation
- Douglas Cameron Ball
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...