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John H. Mattke

CGCold Spring Granite: 1 patents #1 of 2Top 50%
Buffalo, MN: #2 of 8 inventorsTop 25%
Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #186,485 of 266,432Top 70%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6385499 Method for preparing memorial products, apparatus for preparing memorial products, and memorial product Bernard J. Frie 2002-05-07

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