JL

Jerre G. Longfellow

SP Simmonds Precision Products: 1 patents #117 of 227Top 55%
Overall (All Time): #3,644,112 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5880480 Optical liquid level sensor including built-in test circuitry Sylvester M. Ellinger, Ralph E. Burt, Robert Downing LaClair 1999-03-09