74692408
Jun 22, 1995
May 28, 1996
Active Trademark
computer programs for use in process simulation, data base management, spread sheet, and modeling applications in the natural gas, chemical and refining industries
Electrical and Scientific Apparatus[ computer program instructional manuals for computer programs for use in process simulation, data base management, spread sheet, and modeling applications for use in the natural gas, chemical and refining industries ]
Paper Goods and Printed Matter