Granted Patent
Utility
US 4,705,218 · App. 06/871,687
Nozzle structure for a root feeding device
Inventor:
Jay Daniels
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Jun 9, 1986
Inventor
Jay Daniels
Assignee (at issue)
Ross Daniels, 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.