Granted Patent
Utility
US 6,325,327 · App. 09/589,707
Anti-vibration suspension device with torsion springs between vibrators and structure, for a helicopter
Inventors:
Elio Zoppitelli, Edwin Ortega
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Jun 8, 2000
Inventors
Elio Zoppitelli
Edwin Ortega
Assignee (at issue)
EUROCOPTER
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.