Granted Patent
Utility
US 4,383,618 · App. 06/348,545
Childproof container
Inventor:
Thomas R. Dougherty
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Feb 12, 1982
Inventor
Thomas R. Dougherty
Assignee (at issue)
Dougherty Brothers 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.