Granted Patent
Utility
US 5,612,109 · App. 08/615,367
Optical storage medium including multiple data levels made of Co/Pt magneto-optic recording media
Inventors:
Yuan-Sheng Tyan, Giuseppe Farruggia, Tukaram K. Hatwar
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Mar 14, 1996
Inventors
Yuan-Sheng Tyan
Giuseppe Farruggia
Tukaram K. Hatwar
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.