Granted Patent
Utility
US 6,050,459 · App. 09/372,815
Rigid dip tube connector for a liquid spray dispenser
Inventors:
Joseph E. Johnson, Clifford W. Skillin
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Aug 12, 1999
Inventors
Joseph E. Johnson
Clifford W. Skillin
Assignee (at issue)
Polytop LLC
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.