Granted Patent
Utility
US 6,721,499 · App. 10/392,821
Camera
Inventors:
Toshimi Watanabe, Toshiaki Maeda, Hideo Hibino, Tadashi Ohta
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Mar 21, 2003
Inventors
Toshimi Watanabe
Toshiaki Maeda
Hideo Hibino
Tadashi Ohta
Assignees (at issue)
NIKON CORPORATION
NIKON TECHNOLOGIES INC.
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.