Granted Patent
Utility
US 4,554,005 · App. 06/644,975
Triazone fertilizer and method of making
Inventor:
Edwin F. Hawkins
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Aug 28, 1984
Inventor
Edwin F. Hawkins
Assignee (at issue)
Arcadian Corporation
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.