| DGSI DURHAM GEO SLOPE INDICATOR Durham Geo-Enterprises, Inc.
76650591 18 Nov 2005 | on 15 Jan 2018
| geotechnical instruments for measuring tilt, displacement, pressure, a... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products "GEO SLOPE INDICATOR" | | | TORVANE Durham Geo-Enterprises, Inc.
72217146 22 Apr 1965 | on 20 Feb 2016
| APPARATUS FOR TESTING SOIL SPECIMENS FOR THE DETERMINATION OF SHEAR ST... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods APPARATUS FOR TESTING SOIL SPECIMENS FOR THE DETERMINATION OF SHEAR STRENGTH | | | O·SOX Durham Geo-Enterprises, Inc.
77029148 25 Oct 2006 | on 30 Mar 2018 | Chemical compounds in the nature of a calcium based mix contained in c... Class 001 Class 001 Chemical Products The mark consists of stylized text of the wording "O-SOX". | | | DURHAM GEO SLOPE INDICATOR Durham Geo-Enterprises, Inc.
78090819 30 Oct 2001 | on 24 Apr 2010 | GEOTECHNICAL INSTRUMENTS, NAMELY, INCLINOMETERS USED TO MEASURE TILT, ... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products GEOTECHNICAL INSTRUMENTS, NAMELY, INCLINOMETERS USED TO MEASURE TILT, DISPLACEMENT, PRESSURE, AND STRAIN IN SOIL, ROCK, CONCRETE AND STEEL STRUCTURES | |