Granted Patent
Utility
US 4,670,249 · App. 06/722,408
Growth-promoting compositions
Inventors:
Richard E. Ivy, Glen W. Wolfrom, Bruce D. Burleigh
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Apr 12, 1985
Inventors
Richard E. Ivy
Glen W. Wolfrom
Bruce D. Burleigh
Assignee (at issue)
International Minerals & Chemical Corp.
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.