Granted Patent
Utility
US 6,364,828 · App. 09/478,674
Elongated flexible inspection neck
Inventors:
Hubert Yeung, Roger Dugas
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Jan 6, 2000
Inventors
Hubert Yeung
Roger Dugas
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.