RZ

Ralph Zwakenberg

LH Lasko Holdings: 2 patents #13 of 35Top 40%
LP Lasko Metal Products: 1 patents #3 of 5Top 60%
📍 Claymont, DE: #28 of 95 inventorsTop 30%
🗺 Delaware: #2,574 of 7,163 inventorsTop 40%
Overall (All Time): #1,625,951 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6015265 Box fan with air divider ring William E. Lasko, Rodney Wilson 2000-01-18
D413685 Box fan William E. Lasko, Rodney Wilson 1999-09-07
D319099 Portable fan Edward P. Cheslock 1991-08-13