Granted Patent
Utility
US 4,959,104 · App. 07/287,695
Self-hardenable material
Inventors:
Shinji Iino, Minoru Oshima, Shinya Kitoh, Toshiaki Kobayashi
Patented Case
View Patent ↗
Granted: Sep 25, 1990
Filed: Dec 20, 1988
Inventors
Shinji Iino
Minoru Oshima
Shinya Kitoh
Toshiaki Kobayashi
Assignees (at issue)
Mitsui Toatsu Chemicals, Incorporated
LION GROUP, INC.
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.