DW

David K. Witzke

📍 Stayner, CA: #2 of 12 inventorsTop 20%
Overall (All Time): #3,813,901 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D353548 Sump pump failure alarm — 1994-12-20