Granted Patent
Utility
US 4,650,576 · App. 06/687,120
Apparatus for regenerative heating of diesel fuel
Inventors:
David F. Leary, Richard Olds
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Dec 28, 1984
Inventors
David F. Leary
Richard Olds
Assignee (at issue)
Raychem Limited
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.