Granted Patent
Utility
US 4,844,284 · App. 07/244,756
Child resistant package
Inventors:
Edward J. Drozd, Jr., Michael Lutz
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Sep 14, 1988
Inventors
Edward J. Drozd, Jr.
Michael Lutz
Assignee (at issue)
Captive Plastics, 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.