Granted Patent
Utility
US 5,891,228 · App. 08/778,240
Hot melt jet ink composition
Inventors:
Richard Baker, Ann Reitnauer
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jan 8, 1997
Inventors
Richard Baker
Ann Reitnauer
Assignee (at issue)
Markem 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.