Henry Gruchalski

📍 Chicago, IL: #82 of 382 inventorsTop 25%

🗺 Illinois: #802 of 3,813 inventorsTop 25%

Overall (1989): #106,913 of 140,708Top 80%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4802393	Piercing die	Albert Gruchalski	1989-02-07