Granted Patent
Utility
US 4,565,322 · App. 06/560,653
Liquid spray apparatus for dispensing liquid droplets of constant droplet size
Inventor:
Alfred Graber
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Dec 12, 1983
Inventor
Alfred Graber
Assignee (at issue)
Ciba-Geigy
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.