IP Library › Granted Patent US 6,516,899
Granted Patent Utility
US 6,516,899 · Confirmation No. 4721

METHOD AND APPARATUS FOR DIRECTIONAL BORING UNDER MIXED CONDITIONS

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 Code Description Pages PDF
2011-01-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-01-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-12-21 PA.. Power of Attorney 2 View
2010-12-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-12-31 TRNA Transmittal of New Application 3 View
2001-12-31 ABST Abstract 1 View
2001-09-20 TRNA Transmittal of New Application 4 View
2001-09-20 A.PE Preliminary Amendment 7 View
2001-09-20 SPEC Specification 21 View
2001-09-20 CLM Claims 7 View
2001-09-20 ABST Abstract 1 View
2001-09-20 DRW Drawings-only black and white line drawings 13 View
2001-09-20 OATH Oath or Declaration filed 8 View
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Quick Facts
Patent No.
US 6,516,899
App. No.
09/957,411
Filed
2001-09-20
Granted
2003-02-11
Pub. No.
US20020043406A1
Art Unit
3671
PTA
-13 days