Granted Patent
Utility
US 5,990,773 · App. 09/164,794
Thermal switch devise comprising reed switch and temperature-sensitive magnetic structure supported in and out, respectively, of an inner cylinder of case
Inventor:
Takeshi Sengoku
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Oct 1, 1998
Inventor
Takeshi Sengoku
Assignee (at issue)
TOKIN 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.