Granted Patent
Utility
US 4,683,018 · App. 06/799,861
Composite material manufacture by shaping individual sheets followed by consolidating the sheets
Inventors:
David T. Sutcliffe, David J. Barraclough
Patented Case
View Patent ↗
Granted: Jul 28, 1987
Filed: Nov 20, 1985
Inventors
David T. Sutcliffe
David J. Barraclough
Assignee (at issue)
ROLLS-ROYCE plc
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.