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Petro-Data C.A.

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Records under this name other than patents Petro-Data C.A. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 5 of 5 · Back to Petro-Data C.A.

PatentTitleStatus Expires Confidence
US 4,083,401Apparatus and methods for testing earth formations
Term ended
Term ended no later than Apr 11, 1998 · Low confidence
Term endedTerm ended no later than Apr 11, 1998Low confidence
US 4,090,573Wireline sealing apparatus and method for use with a drill string
Term ended
Term ended no later than May 23, 1998 · Low confidence
Term endedTerm ended no later than May 23, 1998Low confidence
US 4,094,359Apparatus and methods for testing earth formations
Term ended
Term ended no later than Jun 13, 1998 · Low confidence
Term endedTerm ended no later than Jun 13, 1998Low confidence
US 4,108,243Apparatus for testing earth formations
Term ended
Term ended no later than Aug 22, 1998 · Low confidence
Term endedTerm ended no later than Aug 22, 1998Low confidence
US 4,116,274Wireline latching apparatus and method of use
Term ended
Term ended no later than Sep 26, 1998 · Low confidence
Term endedTerm ended no later than Sep 26, 1998Low confidence
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