Granted Patent
Utility
US 4,767,201 · App. 06/741,895
Wide angle lens
Inventors:
Hisao Fujita, Tomoko Wakabayashi, Hiroyuki Yamazaki
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Jun 6, 1985
Inventors
Hisao Fujita
Tomoko Wakabayashi
Hiroyuki Yamazaki
Assignee (at issue)
Konishiroku Photo Industry 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.