Granted Patent
Utility
US 5,705,175 · App. 08/609,079
Non-aqueous controlled release insect repellent and insecticide gels
Inventor:
Richard L. Johnson
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Feb 29, 1996
Inventor
Richard L. Johnson
Assignee (at issue)
Pennzoil Products Company
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.