Granted Patent
Utility
US 6,750,595 · App. 10/015,449
Underwater wide-band electroacoustic transducer and packaging method
Inventors:
Sheng-Dong Dunn, Chi-Zen Yeh, Jeng-Yow Jih
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Dec 12, 2001
Inventors
Sheng-Dong Dunn
Chi-Zen Yeh
Jeng-Yow Jih
Assignee (at issue)
CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.