Granted Patent
Utility
US 5,447,593 · App. 08/229,119
Method for reinforcing concrete structures
Inventors:
Tuneo Tanaka, Kensuke Yagi, Tokitaro Hoshijima
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Apr 18, 1994
Inventors
Tuneo Tanaka
Kensuke Yagi
Tokitaro Hoshijima
Assignees (at issue)
MITSUBISHI CHEMICAL CORPORATION
Ohbayashi 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.