Granted Patent
Utility
US 6,629,847 · App. 09/509,661
Magnetic display panel and method for producing the same
Inventor:
Hirohisa Satoh
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Mar 30, 2000
Inventor
Hirohisa Satoh
Assignee (at issue)
Takara Co., Ltd.
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.