Granted Patent
Utility
US 6,416,218 · App. 09/396,474
Large area array single exposure digital mammography
Inventor:
Lim Cheung
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Sep 15, 1999
Inventor
Lim Cheung
Assignee (at issue)
Trex Medical 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.