Granted Patent
Utility
US 4,560,094 · App. 06/513,407
Particulate solid storage container and transport method
Inventor:
David F. Eales
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Jul 14, 1983
Inventor
David F. Eales
Assignee (at issue)
British Gas
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.