Granted Patent
Utility
US 5,547,132 · App. 08/326,230
Sprayer having variable spray pattern
Inventor:
R. Pat Grogan
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Oct 20, 1994
Inventor
R. Pat Grogan
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.