Granted Patent
Utility
US 6,302,331 · App. 09/552,970
Directionally controlled EHD aerosol sprayer
Inventors:
James E. Dvorsky, Songsdhit Chongsiriwatana
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Apr 20, 2000
Inventors
James E. Dvorsky
Songsdhit Chongsiriwatana
Assignee (at issue)
Battelle Pulmonary Therapeutics, 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.