Granted Patent
Utility
US 5,007,225 · App. 07/064,255
Construction of large sandwich structures
Inventor:
James A. Teasdale
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Jul 21, 1987
Inventor
James A. Teasdale
Assignee (at issue)
British Shipbuilders
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.