Granted Patent
Utility
US 6,019,648 · App. 09/020,170
Noise reducing system
Inventors:
Gaetan Lecours, Louis Lefebvre, Remy Oddo
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Feb 6, 1998
Inventors
Gaetan Lecours
Louis Lefebvre
Remy Oddo
Assignee (at issue)
BOMBARDIER INC.
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.