DH

Daniel Hartogh

BM Bally Manufacturing: 1 patents #32 of 85Top 40%
📍 Morton Grove, IL: #144 of 248 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,850,586 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5113990 Bill validation and change system for a slot machine A. J. Gabrius, Robert C. Mesh, Arthur Brey 1992-05-19