Granted Patent
Utility
US 4,876,530 · App. 07/108,275
Method and apparatus for detecting leakage in fuel storage and delivery systems
Inventors:
Wayne E. Hill, Dennis H. McEachern
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Oct 13, 1987
Inventors
Wayne E. Hill
Dennis H. McEachern
Assignee (at issue)
The Marley Company LLC
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.