Granted Patent
Utility
US 5,299,667 · App. 07/807,832
Carbon composite laminated structure
Inventor:
Charles P. Hammond
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Jan 22, 1992
Inventor
Charles P. Hammond
Assignee (at issue)
Dunlop Limited, A British 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.