AC

Allen H. Christensen

UI US Dept of the Interior: 2 patents #49 of 508Top 10%
📍 Lemon Grove, CA: #194 of 630 inventorsTop 35%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,242,870 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6164127 Well flowmeter and down-hole sampler John Izbicki, Steven M. Crawford, Randall T. Hanson, Peter Martin, Gregory E. Smith 2000-12-26
6131451 Well flowmeter and down-hole sampler John Izbicki, Steven M. Crawford, Randall T. Hanson, Peter Martin, Gregory E. Smith 2000-10-17