Granted Patent
Utility
US 4,305,701 · App. 06/052,813
Priming apparatus for liquid ink writing instruments
Inventor:
Ronald J. Geil
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Jun 27, 1979
Inventor
Ronald J. Geil
Assignee (at issue)
Gould 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.