AG

Albert Gruchalski

📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,328,284 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4802393 Piercing die Henry Gruchalski 1989-02-07
4621553 Vertical pierce die Henry Gruchalski 1986-11-11