RS

Robert R. Simmons

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,881,862 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5035886 Active agent delivery device Paritosh M. Chakrabarti, Harlan B. Johnson, Malcolm Korach, Dennis D. Leatherman 1991-07-30