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Coalbed Trademarks
COALBED METHANE 101
Petroleum Engineering Consulting
Abandoned
·
February 14, 2005
·
78566692
·
COALBED METHANE 101
Petroleum Engineering Consulting
Abandoned
·
March 21, 2002
·
78116660
·
COALBED METHANE 201
Petroleum Engineering Consulting
Cancelled
·
July 18, 2002
·
78145318
·
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