Computer hardware and software for computer system and web site security, and for verification of data transmitted electronically; semiconductors; software used to create and implement digital signatures for security of electronic data and information; software for use in creating back ups of software, computer systems and web sites; software for use in securing the integrity of web site data and content

pneumatically controlled, electronic instrumentation devices for taking and/or measuring samples of gas or air from the atmosphere

Gas and Air-Sampling Instrument Pump

Computer hardware and software for computer system and web site security, and for verification of data transmitted electronically; semiconductors; software used to create and implement digital signatures for security of electronic data and information; software for use in creating back ups of software, computer systems and web sites; software for use in securing the integrity of web site data and content

Computer hardware and software for computer system and web site security, and for verification of data transmitted electronically; semiconductors; software used to create and implement digital signatures for security of electronic data and information; software for use in creating back ups of software, computer systems and web sites; software for use in securing the integrity of web site data and content