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Refsys Trademarks
REFSYS
Computer Software for Simulating Refinery Workflow and Operations
Cancelled
·
September 15, 2003
·
76544805
·
REFSYS
Computer software, namely, a computer search engine and computer bibliographic database management software for use in any subject area
Abandoned
·
October 14, 1998
·
75565277
·
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