Granted Patent
Utility
US 6,243,115 · App. 09/522,105
Pressurized ink supply and delivery system for an ink jet printer
Inventors:
Ronald Willard Baker, Philip Jerome Heink, Jeffrey Lynn Richie, Donald Wayne Stafford
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Mar 9, 2000
Inventors
Ronald Willard Baker
Philip Jerome Heink
Jeffrey Lynn Richie
Donald Wayne Stafford
Assignee (at issue)
Lexmark International, 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.