Assignee
DIRECTIONAL RECOVERY SYSTEMS L
US·2 granted patents·43 citations·filing 1995–1997
Technology mixE21B2
Top patents by PatentIndex Score
2 records- 0149US6003621AMethods and apparatus for drilling holes laterally from a wellDIRECTIONAL RECOVERY SYSTEMS L·Filed 1997·Granted Dec 21, 1999·23 cites·38 claims
- 0245US5704437AMethods and apparatus for drilling holes laterally from a wellDIRECTIONAL RECOVERY SYSTEMS L·Filed 1995·Granted Jan 6, 1998·20 cites·44 claims
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