Granted Patent
Utility
US 6,046,449 · App. 09/078,363
Transparent planar board of a flatbed scanner affixed by clasps
Inventor:
Chuwn-Jen Chien
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: May 13, 1998
Inventor
Chuwn-Jen Chien
Assignee (at issue)
Primax Electronics 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.