Granted Patent
Utility
US 5,904,327 · App. 09/000,621
Detachable wrist support of keyboard
Inventor:
Chun-Wei Cheng
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Dec 30, 1997
Inventor
Chun-Wei Cheng
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.