Granted Patent
Utility
US 4,651,523 · App. 06/780,432
Integral rocket and ramjet engine
Inventor:
Ronald J. Adams
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Sep 26, 1985
Inventor
Ronald J. Adams
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.