Granted Patent
Utility
US 4,809,030 · App. 07/098,394
Camera
Inventors:
Tadao Takagi, Toru Fukuhara
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Sep 18, 1987
Inventors
Tadao Takagi
Toru Fukuhara
Assignee (at issue)
NIKON CORPORATION
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.