Granted Patent
Utility
US 4,669,433 · App. 06/812,863
Regenerative fuel heating apparatus and method for hypergolic combustion
Inventors:
Lyle O. Hoppie, Richard Chute, David H. Scharnweber, Kenneth P. Waichunas
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Dec 26, 1985
Inventors
Lyle O. Hoppie
Richard Chute
David H. Scharnweber
Kenneth P. Waichunas
Assignee (at issue)
Eaton Corporation
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.