Inventor

CALLEGARI ANDREW J

US2 patents

Patents

2 patents

US4973386ANov 27, 1990

Passive acoustic power spectra to monitor and control processing

EXXON RESEARCH ENGINEERING CO26 citations89

US4877488AOct 31, 1989

Passive acoustic power spectra to monitor and control processing

EXXON RESEARCH ENGINEERING CO36 citations89