Granted Patent
Utility
US 4,375,109 · App. 06/350,839
Passive dispenser having a double air vent system
Inventor:
Gregory R. Jones
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: Feb 22, 1982
Inventor
Gregory R. Jones
Assignee (at issue)
The Drackett 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.