Otto Kelm

📍 Benton Harbor, MI: #6 of 21 inventorsTop 30%

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

Overall (1989): #33,111 of 140,708Top 25%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4842039	Self-aligning plunger tip	—	1989-06-27