Granted Patent
Utility
US 6,719,210 · App. 09/915,722
Color changing sprayer container
Inventor:
Michael T. Clarke
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jul 26, 2001
Inventor
Michael T. Clarke
Assignee (at issue)
Root-Lowell Manufacturing Company
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.