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Douglas N. Johnston

LP Litton Industrial Products: 1 patents #22 of 55Top 40%
📍 West Willington, CT: #4 of 7 inventorsTop 60%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #4,051,509 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4382859 Water conservation and waste water treatment system Gerald Dube, Paul B. Strycharz, Ross G. Steiger 1983-05-10