Granted Patent
Utility
US 6,493,986 · App. 09/604,488
Light trap for insects
Inventors:
Thomas D. Nelson, Douglas G. Anderson, C. William Snedeker
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jun 27, 2000
Inventors
Thomas D. Nelson
Douglas G. Anderson
C. William Snedeker
Assignee (at issue)
ECOLAB 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.