Granted Patent
Utility
US 6,027,740 · App. 08/972,653
Method for protecting surfaces from arthropod infestation
Inventors:
Gary J. Puterka, Dennis G. Sekutowski, David Michael Glenn
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Nov 18, 1997
Inventors
Gary J. Puterka
Dennis G. Sekutowski
David Michael Glenn
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.