BM

Barbara K. McElfresh

ZE Zehntel: 1 patents #5 of 17Top 30%
📍 Walnut Creek, CA: #806 of 1,300 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,934,891 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856001 Digital in-circuit tester having channel-memory earse-preventer Eugene H. Breniman 1989-08-08