Granted Patent
Utility
US 5,114,049 · App. 07/606,455
Child-resistant trigger sprayer
Inventor:
Michael G. Knickerbocker
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Oct 31, 1990
Inventor
Michael G. Knickerbocker
Assignee (at issue)
Calmar Holdings 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.