DZ

Darcy R. Zelman

📍 Athabasca, CA: #2 of 14 inventorsTop 15%
Overall (All Time): #3,487,166 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6776227 Wellhead heating apparatus and method Rodney T. Beida 2004-08-17