Granted Patent
Utility
US 5,884,845 · App. 08/829,605
Low cost trigger sprayer
Inventor:
Philip L. Nelson
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Mar 31, 1997
Inventor
Philip L. Nelson
Assignee (at issue)
Continental Sprayers International, 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.