JL

Jerre G. Longfellow

SP Simmonds Precision Products: 1 patents #117 of 227Top 55%
📍 Vergennes, VT: #85 of 133 inventorsTop 65%
🗺 Vermont: #3,027 of 4,968 inventorsTop 65%
Overall (All Time): #3,644,112 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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