AC

Allan S. Clapperton

W& W. R. Grace &: 1 patents #186 of 433Top 45%
📍 Toledo, OH: #791 of 1,470 inventorsTop 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,052,646 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4386981 Method of waterproofing roofs and the like — 1983-06-07