Granted Patent
Utility
US 6,790,877 · App. 09/956,552
Bonding compositions for dental use
Inventors:
Kazumitsu Nakatsuka, Koichi Okada, Satoshi Imazato, Shigeyuki Ebisu, Yasuhiko Tsuchitani
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Sep 20, 2001
Inventors
Kazumitsu Nakatsuka
Koichi Okada
Satoshi Imazato
Shigeyuki Ebisu
Yasuhiko Tsuchitani
Assignee (at issue)
KURARAY 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.