Douglas L. Risko

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Walled Lake, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Sink overflow plugs and plunger
- Patent number 9,339,150
- Issue date May 17, 2016
- Douglas L. Risko
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...