John C. Ritter

📍 Detroit, MI: #17 of 83 inventorsTop 25%

🗺 Michigan: #694 of 3,452 inventorsTop 25%

Overall (1989): #93,226 of 140,708Top 70%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D302526	Combined pouring spout and cover	—	1989-08-01