Granted Patent
Utility
US 6,514,512 · App. 09/677,408
Pesticide delivery system
Inventors:
Gary J. Puterka, David Michael Glenn, Dennis G. Sekutowski
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Oct 2, 2000
Inventors
Gary J. Puterka
David Michael Glenn
Dennis G. Sekutowski
Assignee (at issue)
Engelhard Corporation
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.