Granted Patent
Utility
US 5,494,082 · App. 08/300,128
Plastic filler insert for a writing fluid converter
Inventor:
Jurgen Rathenberg
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Sep 2, 1994
Inventor
Jurgen Rathenberg
Assignee (at issue)
rotring-werke Riepe KG
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.