Granted Patent
Utility
US 5,487,614 · App. 08/207,756
Method of printing a multiple color image using heat sensitive inks
Inventor:
Nathan Hale
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Mar 8, 1994
Inventor
Nathan Hale
Assignee (at issue)
Sawgrass Systems, Inc., a South Carolina 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.