Granted Patent
Utility
US 4,493,438 · App. 06/396,622
Fluid dispenser
Inventor:
Christopher C. Rutter
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Jul 9, 1982
Inventor
Christopher C. Rutter
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.