KB

Kenneth Brock

CH Christensen: 2 patents #5 of 32Top 20%
Overall (All Time): #1,282,803 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5901999 Device for carrying or dragging an animal — 1999-05-11
4512425 Up-drill sub for use in rotary drilling — 1985-04-23
4408355 Hand warmer — 1983-10-11
4266621 Well casing window mill — 1981-05-12