Granted Patent
Utility
US 6,294,584 · App. 09/240,155
Methods for fumigating soil
Inventors:
Edmund J. Bockowski, Dwight P. Davis
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Jan 29, 1999
Inventors
Edmund J. Bockowski
Dwight P. Davis
Assignee (at issue)
Betzdearborn, 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.