JG

John Howard Groth

📍 Beaverton, OR: #2,113 of 3,140 inventorsTop 70%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #3,496,732 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6824877 Clay compositions and objects including clay compositions 2004-11-30