DR

Daniel G. Roper

FI Fisher Controls International: 1 patents #8 of 43Top 20%
📍 Lucas, TX: #4 of 18 inventorsTop 25%
🗺 Texas: #3,688 of 11,512 inventorsTop 35%
Overall (2011): #320,035 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7896028 Flow restricted seat ring for pressure regulators Thomas L. Weyer, James Lyman Griffin, Jr., Harold J. McKinney, Douglas J. Scheffler 2011-03-01