Keith J. Sprangers

📍 Racine, WI: #19 of 71 inventorsTop 30%

🗺 Wisconsin: #406 of 1,957 inventorsTop 25%

Overall (1994): #105,098 of 165,921Top 65%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5349773	Double barrel break-action shotgun	—	1994-09-27