Granted Patent
Utility
US 5,862,950 · App. 08/790,164
Piston assembly for trigger sprayer
Inventor:
Dan E. Holman
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Jan 29, 1997
Inventor
Dan E. Holman
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.