Granted Patent
Utility
US 4,399,446 · App. 06/340,136
Ink supply system for an ink jet printer
Inventors:
James D. McCann, Theodore F. Williams, John Vogel
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Jan 18, 1982
Inventors
James D. McCann
Theodore F. Williams
John Vogel
Assignee (at issue)
The Mead 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.