WC

William S. Clapham

HP Hydra Tools International Plc: 3 patents #1 of 9Top 15%
📍 Hoyland, GB: #1 of 7 inventorsTop 15%
Overall (All Time): #1,054,644 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5690392 Water supply system for a mining machine 1997-11-25
5392870 Mineral cutter tooling system Alan Wood 1995-02-28
5319855 Mineral cutter tip and pick Charles M. Beevers 1994-06-14
4657308 Mineral cutter pick 1987-04-14
4261619 Cutter picks Sydney Howe 1981-04-14