Granted Patent
Utility
US 6,317,402 · App. 09/447,304
Disk tray of optic disk drive having pressure balance device
Inventors:
Chieny Huang, George Chen
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Nov 23, 1999
Inventors
Chieny Huang
George Chen
Assignee (at issue)
BEHAVIOR TECH COMPUTER CORP.
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.