DH

Daniel J. Heffner

SC S&S Cycle: 1 patents #30 of 47Top 65%
📍 Muscoda, WI: #3 of 4 inventorsTop 75%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,572,637 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6189496 Breather valve, arrangement and method Scott Sjovall 2001-02-20