Granted Patent
Utility
US 5,590,474 · App. 08/512,590
Flange bolt hole alignment pin
Inventor:
Douglas E. Lamb
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Aug 8, 1995
Inventor
Douglas E. Lamb
Assignee (at issue)
Newport News Shipbuilding and Dry Dock Company
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.