RF

Robert H. Fear

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
Overall (All Time): #3,682,997 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5747003 Amorphous precipitated silica abrasive Shantilal M. Mohnot, Harold E. Swift, Thomas G. Krivak, Laura M. Randall, Laurence E. Jones 1998-05-05