MR

Michael J. Ralph

📍 Denver, CO: #30 of 145 inventorsTop 25%
🗺 Colorado: #422 of 1,967 inventorsTop 25%
Overall (1997): #102,275 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D377179 Refrigerant recovery machine Greg S. Sundheim, Brett W. Renck, John M. Sundheim 1997-01-07