Granted Patent
Utility
US 6,678,994 · App. 10/044,567
Sanitary and phytosanitary pest control method by controlled application of heat
Inventor:
Daniel Topp
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jan 11, 2002
Inventor
Daniel Topp
Assignee (at issue)
Topp Construction Services, 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.