Granted Patent
Utility
US 4,522,644 · App. 06/453,282
Method for selectively controlling plant suckers
Inventor:
Donald C. Young
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Dec 27, 1982
Inventor
Donald C. Young
Assignee (at issue)
Union Oil Company of California
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.