DR

David K. Rohner

Air Products And Chemicals: 1 patents #1,147 of 1,997Top 60%
📍 Allentown, PA: #735 of 1,150 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,372,508 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D582257 Device for holding a dispensing nozzle Joseph Perry Cohen, Richard Michael Fetcho, Roger A. Howells 2008-12-09