Granted Patent
Utility
US 5,246,145 · App. 07/841,840
Liquid dropper spout having lockable pivoted closure cap
Inventors:
Richard A. Leoncavallo, Ravinder C. Mehra, Gregory R. Phillips
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Feb 26, 1992
Inventors
Richard A. Leoncavallo
Ravinder C. Mehra
Gregory R. Phillips
Assignee (at issue)
Nalge 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.