Granted Patent
Utility
US 5,710,856 · App. 08/590,113
Light reflective sheet and light reflector using it
Inventors:
Toshiyuki Ishii, Katsumi Senba, Takayuki Kajihara, Naoko Takemura
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Jan 23, 1996
Inventors
Toshiyuki Ishii
Katsumi Senba
Takayuki Kajihara
Naoko Takemura
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.