Granted Patent
Utility
US 5,557,555 · App. 08/200,666
Circuit for regulating the air conditioning of premises
Inventors:
Laurent Friot, Jean-Claude Trigeassou
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Feb 23, 1994
Inventors
Laurent Friot
Jean-Claude Trigeassou
Assignee (at issue)
GEC Alsthom Transport SA
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.