WS

William B. Seibert

WI Wind-Lock: 1 patents #4 of 6Top 70%
Overall (All Time): #3,715,156 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5626451 Washer for use with exterior insulation 1997-05-06