Draper; Gregory W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Draper; Gregory W..The latest application filed is for "earth penetrating apparatus and method employing radar imaging and rate sensing".

Company Profile

0.6.5

Draper; Gregory W. - Pella IA
Draper; Gregory W. - Perry OK

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Earth penetrating apparatus and method employing radar imaging and rate sensing Grant 7,607,494 - Alft , et al. October 27, 2	2009-10-27
Earth penetrating apparatus and method employing radar imaging and rate sensing App 20070240903 - Alft; Kevin L. ; et al.	2007-10-18
Earth penetrating apparatus and method employing radar imaging and rate sensing Grant 7,143,844 - Alft , et al. December 5, 2	2006-12-05
Earth penetrating apparatus and method employing radar imaging and rate sensing App 20050173153 - Alft, Kevin L. ; et al.	2005-08-11
Earth penetrating apparatus and method employing radar imaging and rate sensing App 20040190374 - Alft, Kevin L. ; et al.	2004-09-30
Underground boring machine employing navigation sensor and adjustable steering Grant 6,719,069 - Alft , et al. April 13, 2	2004-04-13
Underground boring machine employing navigation sensor and adjustable steering App 20030111268 - Alft, Kevin L. ; et al.	2003-06-19
Horizontal directional drilling machine and method employing configurable tracking system interface Grant 6,484,818 - Alft , et al. November 26, 2	2002-11-26
Underground boring machine employing solid-state inertial navigation control system and method App 20020005297 - Alft, Kevin L. ; et al.	2002-01-17
Horizontal directional drilling machine employing inertial navigation control system and method Grant 6,315,062 - Alft , et al. November 13, 2	2001-11-13
Avoiding ghosting artifacts during surface location of subsurface transmitters Grant 5,621,325 - Draper , et al. April 15, 1	1997-04-15

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