MZ

Michael R. Zweifel

📍 Council Bluffs, IA: #34 of 105 inventorsTop 35%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,334,995 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4722670 Aquarium pump and cleaning system — 1988-02-02
4233702 Fish tank rock cleaner — 1980-11-18