Granted Patent
Utility
US 5,585,563 · App. 08/094,664
Non-contact thickness measurement using UTG
Inventor:
Hoa T. Bui
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Jul 8, 1993
Inventor
Hoa T. Bui
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.