GS

Gary A. Spencer

SP Sperry: 1 patents #355 of 841Top 45%
Overall (All Time): #4,121,433 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4227244 Closed loop address Lee T. Thorsrud 1980-10-07