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Michael A. Calvert

Kirkcaldy, GB: #1 of 1 inventorsTop 100%
Overall (1982): #42,930 of 81,411Top 55%
1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4318420 Ball valves — 1982-03-09

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