Harold V. May

EI Ervin Industries: 1 patents #4 of 5Top 80%

📍 Adrian, MI: #105 of 185 inventorsTop 60%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #4,069,751 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4329819	Centrifugal blasting apparatus	—	1982-05-18