DM

Douglas S. McBain

GE Gencorp: 10 patents #9 of 176Top 6%
OS Omnova Solutions: 9 patents #6 of 121Top 5%
LT Laird Technologies: 4 patents #41 of 233Top 20%
PI Ppg Industries: 3 patents #352 of 1,216Top 30%
🗺 Ohio: #2,215 of 73,341 inventorsTop 4%
Overall (All Time): #152,096 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4634767 Method for preparing spiro(indoline)-type photochromic compounds Charles H. Hoelscher 1987-01-06