Granted Patent
Utility
US 6,478,410 · App. 09/938,189
High thermal efficiency ink jet printhead
Inventors:
Rama Prasad, Todd A. Cleland, Robert C. Maze, Dale R. Oughton
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Aug 23, 2001
Inventors
Rama Prasad
Todd A. Cleland
Robert C. Maze
Dale R. Oughton
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.