Kenneth J. Ryerson

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Pella, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Offset frequency homodyne ground penetrating radar
- Patent number 9,348,020
- Issue date May 24, 2016
- Vermeer Manufacturing Company
- Alan Wilson-Langman
- G01 - MEASURING TESTING
Information Patent Grant
Positioning correction system and method for single and multi-chann...
- Patent number 7,612,704
- Issue date Nov 3, 2009
- Underground Imaging Technologies, Inc.
- Kenneth J. Ryerson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CROSS-BORE DETECTION DURING HORIZONTAL DIRECTIONAL DRILLING
- Publication number 20190369283
- Publication date Dec 5, 2019
- Vermeer Corporation
- David Hanson
- G01 - MEASURING TESTING
Information Patent Application
OFFSET FREQUENCY HOMODYNE GROUND PENETRATING RADAR
- Publication number 20130234879
- Publication date Sep 12, 2013
- Alan Wilson-Langman
- G01 - MEASURING TESTING
Information Patent Application
Positioning correction system and method for single and multi-chann...
- Publication number 20090109081
- Publication date Apr 30, 2009
- Kenneth J. Ryerson
- G01 - MEASURING TESTING