DG

Don O. Grammer

W& W. R. Grace &: 1 patents #186 of 433Top 45%
📍 Scituate, MA: #96 of 149 inventorsTop 65%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,112,755 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4205123 Battery separator with porous body and fused rib Nigel I. Palmer 1980-05-27