DF

David Edward Freeman

RS Rgc Mineral Sands: 3 patents #3 of 14Top 25%
Overall (All Time): #1,633,920 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5910621 Treatment of titaniferous materials Harold Robert Harris, Halil Aral, Warren John Bruckard, Martin Richard Houchin, Kenneth Joun McDonald +2 more 1999-06-08
5826162 leaching of titaniferous materials Halil Aral, Warren John Bruckard, Ian Edward Grey, Martin Richard Houchin, Kenneth John McDonald +3 more 1998-10-20
5578109 Treatment of titaniferous materials Harold Robert Harris, Halil Aral, Warren John Bruckard, Martin Richard Houchin, Kenneth Joun McDonald +2 more 1996-11-26