Granted Patent
Utility
US 5,590,802 · App. 08/520,080
Salvage drum with protected clamping
Inventor:
Donald J. Mitchell
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Aug 28, 1995
Inventor
Donald J. Mitchell
Assignee (at issue)
EAGLE MANUFACTURING COMPANY
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.