HJ

Henry H. Grell, Jr.

📍 Pinckney, MI: #131 of 221 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,143,811 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8354802 Solid state device controller Robert C. Knapp 2013-01-15