Kevin T. Penner

ED Energy Development: 1 patents #17 of 45Top 40%

📍 Salem, OH: #40 of 112 inventorsTop 40%

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

Overall (All Time): #3,966,193 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4635471	Hardness testing device for pipes	D. Brett Rogers	1987-01-13