Assignee
DUOS ENGINEERING USA INC
US·4 granted patents·52 citations·filing 1997–2000
Top patents by PatentIndex Score
4 records- 0157US5890663AProcess for recovering perrous values from municipal solid wasteDUOS ENGINEERING USA INC·Filed 1997·Granted Apr 6, 1999·22 cites·20 claims
- 0249US6308435B1Process and facility for processing municipal waste combustion ashDUOS ENGINEERING USA INC·Filed 2000·Granted Oct 30, 2001·3 cites·20 claims
- 0348US6589654B1Construction material and methodDUOS ENGINEERING USA INC·Filed 1997·Granted Jul 8, 2003·17 cites·12 claims
- 0440US5906321ANon-ferrous metals cleaning systemDUOS ENGINEERING USA INC·Filed 1997·Granted May 25, 1999·10 cites·15 claims
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