SD

Sergio DeOliveira

WE Werner: 2 patents #70 of 140Top 50%
Overall (All Time): #2,130,738 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D584422 Ladder leveler stile Joseph C. Dangrow, James J. Grebinoski 2009-01-06
D530025 Ladder top R. Scott Patton, Pete Robinson 2006-10-10