HW

Howard J. Worrall

SL Simon-Hartley Limited: 1 patents #8 of 12Top 70%
📍 Kidsgrove, GB: #2 of 3 inventorsTop 70%
Overall (All Time): #4,077,344 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4354935 Apparatus for thickening sludge Eric P. Austin 1982-10-19