DB

Dennis Burca

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Calgary, CA: #971 of 5,407 inventorsTop 20%
Overall (All Time): #1,144,682 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11377921 Slot recovery method — 2022-07-05
D719196 Drill bit guide — 2014-12-09
D717351 Pilot drill bit — 2014-11-11
D700922 Overburden pilot bit — 2014-03-11