WL

William A. Leffel

📍 Troy, OH: #223 of 367 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,058,591 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9067038 Valve system for use with a flexible gas supply tube extending to a patient 2015-06-30