Granted Patent
Utility
US 4,437,192 · App. 06/476,041
Implants of biologically active glass or glass ceramic containing titania
Inventors:
Takamitsu Fujiu, Makoto Ogino, Michio Kariya, Takeo Ichimura
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Mar 16, 1983
Inventors
Takamitsu Fujiu
Makoto Ogino
Michio Kariya
Takeo Ichimura
Assignee (at issue)
Nippon Kogaku K.K.
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.