Granted Patent
Utility
US 6,543,155 · App. 10/252,072
Freeze-dried product and process and apparatus for producing it
Inventor:
Akira Horigane
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 20, 2002
Inventor
Akira Horigane
Assignee (at issue)
National Agricultural Research Organization
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.