Granted Patent
Utility
US 4,972,616 · App. 06/746,133
Plant coding system
Inventor:
James Doll
Patented Case
View Patent ↗
Granted: Nov 27, 1990
Filed: Jun 18, 1985
Inventor
James Doll
Assignee (at issue)
John Henry Associates, 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.