Granted Patent
Utility
US 4,563,344 · App. 06/481,905
Controlled release agglomerated carrier
Inventors:
Michael E. Kotz, Jacobus J. Van der Zwan
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Apr 4, 1983
Inventors
Michael E. Kotz
Jacobus J. Van der Zwan
Assignee (at issue)
The Andersons 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.