Granted Patent
Utility
US 5,765,705 · App. 08/689,087
Child resistant closure
Inventor:
Donald Deubel
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Jul 30, 1996
Inventor
Donald Deubel
Assignee (at issue)
Poly-Seal Corporation
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.