Granted Patent
Utility
US 5,509,579 · App. 08/221,082
No drip dispensing cap
Inventor:
Edward S. Robbins, III
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Mar 31, 1994
Inventor
Edward S. Robbins, III
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.