Granted Patent
Utility
US 6,584,237 · App. 09/642,813
Method and apparatus for expanding image data
Inventor:
Nobuaki Abe
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Aug 22, 2000
Inventor
Nobuaki Abe
Assignee (at issue)
Pentax 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.