Granted Patent
Utility
US 5,590,834 · App. 08/279,592
One-piece trigger sprayer housing
Inventor:
Donald D. Foster
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Jul 22, 1994
Inventor
Donald D. Foster
Assignee (at issue)
Contico International, 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.