John Howard Ketchapaw

📍 Grand Rapids, MI: #21 of 95 inventorsTop 25%

🗺 Michigan: #1,566 of 6,092 inventorsTop 30%

Overall (2004): #190,029 of 270,089Top 75%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6726179	Fifth wheel helper	Clifford Ketchapaw	2004-04-27