Granted Patent
Utility
US 5,231,792 · App. 07/915,253
Double cone insect trap
Inventor:
William B. Warner
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Jul 20, 1992
Inventor
William B. Warner
Assignee (at issue)
Farnam Companies, 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.