GR

Gerald R. Ritzow

AC All-Glass Aquarium Company: 3 patents #2 of 4Top 50%
📍 Franklin, WI: #128 of 332 inventorsTop 40%
🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%
Overall (All Time): #1,643,392 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5626747 Aquarium overflow filter system having a pre-overflow wall Denis A. Dann, Kenneth K. Leis 1997-05-06
5328049 Vivarium 1994-07-12
5263772 Aquarium stand 1993-11-23