Granted Patent
Utility
US 4,337,080 · App. 05/733,567
Plant growth regulants
Inventor:
William Szkrybalo
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Oct 18, 1976
Inventor
William Szkrybalo
Assignee (at issue)
HOFFMANN-LA ROCHE 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.