Granted Patent
Utility
US 4,758,455 · App. 06/943,417
Composite fuel and vapor tube having increased heat resistance
Inventors:
Larry J. Campbell, Joseph M. Concaugh
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Dec 2, 1986
Inventors
Larry J. Campbell
Joseph M. Concaugh
Assignee (at issue)
Handy & Harman Automotive Group
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.