Granted Patent
Utility
US 6,322,276 · App. 09/536,733
Pressure release mechanism
Inventor:
Ruey-Shan Liu
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Mar 28, 2000
Inventor
Ruey-Shan Liu
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.