CC

Calvin J. Christensen

HE H.R. Electronics: 1 patents #2 of 5Top 40%
Overall (All Time): #4,085,192 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4254857 Detection device Joseph L. Levasseur, William A. Seiter 1981-03-10