Granted Patent
Utility
US 4,133,304 · App. 05/792,241
Syringe-like apparatus with removable capillary cartridge
Inventor:
Donald L. Bailey
Patented Case
View Patent ↗
Granted: Jan 9, 1979
Filed: Apr 29, 1977
Inventor
Donald L. Bailey
Assignee (at issue)
Emdee Corporation
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.