Granted Patent
Utility
US 6,804,892 · App. 10/402,329
Alignment device with multiple spring systems
Inventors:
Bill Wai Lam Yung, Jonathan Lam, Weng Chia Tang
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Mar 28, 2003
Inventors
Bill Wai Lam Yung
Jonathan Lam
Weng Chia Tang
Assignee (at issue)
Toolz, Ltd.
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.