Granted Patent
Utility
US 6,195,014 · App. 09/516,734
Fire detector
Inventors:
Kazuyoshi Sakurai, Seiji Tsubouchi
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Mar 1, 2000
Inventors
Kazuyoshi Sakurai
Seiji Tsubouchi
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.