Granted Patent
Utility
US 5,584,572 · App. 08/291,913
Reflector used in a strobe device
Inventor:
Tsuyoshi Ishikawa
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Aug 18, 1994
Inventor
Tsuyoshi Ishikawa
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.