ME

Michael Ellinger

SP Simmonds Precision Products: 1 patents #117 of 227Top 55%
Overall (All Time): #3,936,954 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4863274 Optical shaft torsional displacement and speed sensing system William B. Spillman, Jr., Robert Rudd, Douglas R. Patriquin, Bruce R. Kline 1989-09-05