ZV

Zell Du Vall

TC Tsi Group Co.: 2 patents #1 of 1Top 100%
📍 Windom, MN: #8 of 98 inventorsTop 9%
🗺 Minnesota: #50 of 1,035 inventorsTop 5%
Overall (1982): #5,789 of 81,411Top 8%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D266316 Fluid flow measuring head — 1982-09-28
4331037 Fluid flow measuring apparatus — 1982-05-25