BL

Brian Peter Lewis

HL Hl & H Timber Products (Proprietary) Limited: 4 patents #1 of 9Top 15%
Overall (All Time): #1,281,911 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5868527 Mine props Richard G. King 1999-02-09
5658099 Prop headboard Frans R. P. Pienaar, Peter J. Cook 1997-08-19
5318387 Yieldable load support Frans R. P. Pienaar, Graham H. Clarke, Mark Howell, Richard G. King, Peter J. Cook 1994-06-07
5149228 Prop preloading apparatus Frans R. P. Pienaar, Graham Clark 1992-09-22