WH

William L. Hackett

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
📍 Warley, GB: #4 of 14 inventorsTop 30%
Overall (All Time): #3,997,544 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4596233 Solid fuel combustion equipment John R. Hyde 1986-06-24