Granted Patent
Utility
US 5,732,303 · App. 08/850,868
Detector using bar code for detecting the maximum/minimum diaphragm adjustment value of an exchange lens
Inventor:
Jong Sung Choi
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: May 2, 1997
Inventor
Jong Sung Choi
Assignee (at issue)
Samsung Aerospace Industries, 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.