77439555
Apr 3, 2008
Apr 12, 2011
Building materials, namely, energy efficient double sheet glass and glass panes for windows, translucent windows, spandrels, and wall panels that regulate the flow of heat into buildings or structures, all not of metal; energy efficient colored glass sheets and panes for windows, spandrels, and wall panels that regulate the flow of heat into buildings or structures, all not of metal; energy efficient translucent glass sheets and panes for windows, spandrels, and wall panels that regulate the flow of heat into buildings or structures, all not of metal
Nonmetallic Building MaterialsTechnical energy analysis, namely, data collection and analysis of energy usage and efficiency related to a building or structure's temperature regulation and heating or cooling systems
Computer and Scientific