WS

William A. Seyferth

📍 Muskegon, MI: #199 of 391 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #2,609,011 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11767923 Break-away check valve Melvin Plummer, Niklas Seyferth 2023-09-26