DK

David B. Kellogg

📍 Johnson Creek, WI: #11 of 20 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,946,218 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4723330 Waterbed mattress coverings Linda A. Koebler 1988-02-09