Granted Patent
Utility
US 6,493,015 · App. 09/821,413
Thermal recording system
Inventors:
Jayprakash C. Bhatt, Hyung-Chul Choi, F. Richard Cottrell, Anemarie De Young
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Mar 29, 2001
Inventors
Jayprakash C. Bhatt
Hyung-Chul Choi
F. Richard Cottrell
Anemarie De Young
Assignee (at issue)
Polaroid 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.