Granted Patent
Utility
US 5,497,621 · App. 08/337,106
Plastic reservoir
Inventor:
Dudley C. Mallett
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Nov 10, 1994
Inventor
Dudley C. Mallett
Assignee (at issue)
Fenner Fluid Power, a Division of Fenner, Inc.
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.