RH

Ralph H. Hoffman

📍 Grosse Pointe Shores, MI: #33 of 45 inventorsTop 75%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,855,600 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5133131 Replaceable double-sided razor blade unit — 1992-07-28