MH

Mark E. Hartzell

📍 Largo, FL: #4 of 22 inventorsTop 20%
🗺 Florida: #707 of 3,260 inventorsTop 25%
Overall (1997): #110,480 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5623901 Time twister cylinder head for use in internal combustion engines — 1997-04-29