Granted Patent
Utility
US 4,968,130 · App. 07/262,640
Laser beam scanning type ophthalmological instrument
Inventors:
Masayuki Hideshima, Shinji Wada, Akihiko Sekine, Takashi Yokokura
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Oct 26, 1988
Inventors
Masayuki Hideshima
Shinji Wada
Akihiko Sekine
Takashi Yokokura
Assignee (at issue)
TOPCON 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.