Granted Patent
Utility
US 6,645,192 · App. 09/163,646
Pellet implant system for immediate and delayed release of antiparasitic drug
Inventors:
Dale C. Kenison, Stanford R. Spurlin
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Sep 30, 1998
Inventors
Dale C. Kenison
Stanford R. Spurlin
Assignee (at issue)
Ivy Animal Health, 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.