Granted Patent
Utility
US 4,910,076 · App. 07/024,720
Fiber reinforced cement mortar product
Inventors:
Tatsuo Ando, Takeshi Ikeda, Hiromichi Sakai, Hirobumi Otaguro, Takeo Sawanobori
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Mar 11, 1987
Inventors
Tatsuo Ando
Takeshi Ikeda
Hiromichi Sakai
Hirobumi Otaguro
Takeo Sawanobori
Assignee (at issue)
Mitsubishi Kasei 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.