Granted Patent
Utility
US 6,522,321 · App. 09/702,610
Roller retainer for a third axis of a mouse
Inventors:
Le Chen, Chien-Pang Lin
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Nov 1, 2000
Inventors
Le Chen
Chien-Pang Lin
Assignee (at issue)
DEXIN 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.