Granted Patent
Utility
US 6,301,054 · App. 09/428,390
Optical element for multiple beam separation control
Inventor:
Chuong Van Tran
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Oct 28, 1999
Inventor
Chuong Van Tran
Assignee (at issue)
Xerox Corporation
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.