Granted Patent
Utility
US 6,405,934 · App. 09/442,270
Optimized liquid droplet spray device for an inhaler suitable for respiratory therapies
Inventors:
Joseph Hess, Hu Bo, Raphael Weber, Isabel Ortega, Cedric Barraud, Nicolaas-F. De Rooij, Bas de Heij
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Nov 17, 1999
Inventors
Joseph Hess
Hu Bo
Raphael Weber
Isabel Ortega
Cedric Barraud
Nicolaas-F. De Rooij
Bas de Heij
Assignee (at issue)
MICROFLOW ENGINEERING 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.