Granted Patent
Utility
US 5,257,724 · App. 07/840,758
Tamper evident trigger sprayer bottle cap/bottle neck assembly
Inventor:
Emile B. Steijns
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Feb 24, 1992
Inventor
Emile B. Steijns
Assignee (at issue)
AFA Products, Inc.
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.