John J. Mammel

📍 Springfield, OH: #136 of 288 inventorsTop 50%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #3,718,029 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5639058	Removable shift slide stabilizer	—	1997-06-17