HH

Howard E. Helferich

SI Surgical Appliance Industries: 1 patents #3 of 4Top 75%
📍 Cincinnati, OH: #4,941 of 8,043 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,093,751 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D259955 Wrist brace — 1981-07-21