Granted Patent
Utility
US 6,557,787 · App. 10/156,265
Nozzle for agricultural sprayers
Inventor:
Trevor William Bartlett Swan
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: May 28, 2002
Inventor
Trevor William Bartlett Swan
Assignee (at issue)
Hypro, LLC
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.