DH

David Heffernan

DE Delavan: 1 patents #70 of 131Top 55%
Overall (All Time): #2,728,919 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11015745 Tube joints, brazed tube joint assemblies, and methods of making tube joints Derrick Clausen, Steven J. Myers 2021-05-25