Granted Patent
Utility
US 4,187,511 · App. 05/890,620
Method and apparatus for filling the movable reservoir of an inkjet printer
Inventor:
Prentice Robinson
Patented Case
View Patent ↗
Granted: Feb 5, 1980
Filed: Mar 20, 1978
Inventor
Prentice Robinson
Assignee (at issue)
Centronics Data Computer 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.