Granted Patent
Utility
US 5,281,641 · App. 08/029,635
Dental or surgical adhesive filler
Inventors:
Hiroshi Nishimura, Shousuke Ito, Masao Nakano, Sunao Kaneda, Kayoko Adachi
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Mar 11, 1993
Inventors
Hiroshi Nishimura
Shousuke Ito
Masao Nakano
Sunao Kaneda
Kayoko Adachi
Assignee (at issue)
Mitsui Petrochemical Industries, 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.