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Navigamma Trademarks
NAVIGAMMA
directional drilling measurement and steering services and gamma ray logging measurement services for use in subterranean oil and gas drilling industry
Cancelled
·
December 5, 1997
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75401104
·
NAVIGAMMA
directional drilling measurement and steering services and natural gamma ray logging measurement services for use in subterranean oil and gas drilling industry
Abandoned
·
March 31, 1994
·
74507655
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