Granted Patent
Utility
US 5,694,244 · App. 08/506,633
Real-image finder having variable power
Inventors:
Tetsuya Abe, Takayuki Ito, Sachio Hasushita, Moriyasu Kanai
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jul 25, 1995
Inventors
Tetsuya Abe
Takayuki Ito
Sachio Hasushita
Moriyasu Kanai
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.