FP

Floyd L. Pfeffer

DI Dow Technology Investments: 4 patents #25 of 144Top 20%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,227,450 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8476464 Alkylene oxide purification systems John F. Szul, James H. McCain, Harvey E. Andresen, Phillip R. Fairchild, Kent E. Newman 2013-07-02
8257558 Alkylene oxide purification systems John F. Szul, James H. McCain, Harvey E. Andresen, Phillip R. Fairchild, Kent E. Newman 2012-09-04
8183400 Alkylene oxide recovery systems John F. Szul, James H. McCain, Harvey E. Andresen, Phillip R. Fairchild, Kent E. Newman 2012-05-22
8129551 Alkylene oxide recovery systems John F. Szul, James H. McCain, Harvey E. Andresen, Phillip R. Fairchild, Kent E. Newman 2012-03-06