E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/6
E21C 45/00 (2006.01) E02F 7/00 (2006.01)
Patent
CA 1121392
ABSTRACT OF THE DISCLOSURE A continuous belt traverses a river through channels on the river bed and carries intercepted material to the river banks for separation of precious metals and gemstones therefrom. Method and apparatus claimed.
354147
Gowling Lafleur Henderson Llp
Williams Harry K.
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