Granted Patent
Utility
US 5,234,803 · App. 07/886,219
Optical recording media
Inventor:
Pranab K. Raychaudhuri
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: May 21, 1992
Inventor
Pranab K. Raychaudhuri
Assignee (at issue)
EASTMAN KODAK COMPANY
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.