Granted Patent
Utility
US 5,501,725 · App. 08/398,631
Method for increasing the stability of non-ionic surfactant-containing ink compositions
Inventors:
Hiang P. Lauw, Garold E. Radke, Cheryl A. MacLeod
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Mar 3, 1995
Inventors
Hiang P. Lauw
Garold E. Radke
Cheryl A. MacLeod
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.