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Frank Freeman

DI Duraswitch Industries: 1 patents #2 of 5Top 40%
📍 Treasure Cay, AZ: #1 of 1 inventorsTop 100%
Overall (2002): #220,379 of 266,432Top 85%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6400246 Switch with magnetically coupled dual armature Scott Allen Hill 2002-06-04