DC

Daniel Crown

AT American District Telegraph: 1 patents #27 of 49Top 60%
Overall (All Time): #4,113,259 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4206449 Multiple sensor intrusion alarm system Aaron A. Galvin, Sheldon Apsell 1980-06-03