RA

Roger R. Arends

FL Fisher Controls Llc.: 1 patents #2 of 18Top 15%
📍 Marshalltown, IA: #175 of 271 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,098,832 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4295489 Pilot-operated back pressure regulator Wayne B. Bailey, John W. Duffy, Brice D. Springer 1981-10-20