DS

Donald J. Sobczak

📍 Greenfield, WI: #128 of 223 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,759,120 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5582718 Non-pressurized algaecide feeder method and apparatus for swimming pools and the like — 1996-12-10