Granted Patent
Utility
US 6,717,574 · App. 09/885,331
Feedback peak detector fitted wireless handwriting tablet
Inventor:
Chia-Jui Yeh
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jun 19, 2001
Inventor
Chia-Jui Yeh
Assignee (at issue)
Aiptek International GmbH
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.