RP

Richard Piehl

BI Basic Measuring Instruments: 1 patents #8 of 14Top 60%
Overall (All Time): #2,283,077 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5581471 Method and apparatus for storing electric power measurements Alexander McEachern 1996-12-03
5270637 Impulse direction detector for ac power systems Alexander McEachern 1993-12-14