CH

Charles D. Hallman

📍 Wayne, MI: #3 of 4 inventorsTop 75%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #160,896 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5347473 Coin counting calculator Dennis P. McElhone 1994-09-13