Granted Patent
Utility
US 6,300,876 · App. 09/513,690
Fire detector
Inventors:
Kazuyoshi Sakurai, Ichiro Hamada, Yasunori Oya
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Feb 25, 2000
Inventors
Kazuyoshi Sakurai
Ichiro Hamada
Yasunori Oya
Assignee (at issue)
NITTA 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.