Granted Patent
Utility
US 4,460,462 · App. 06/375,729
Leaf trap and main drain assembly
Inventor:
Howard M. Arneson
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: May 7, 1982
Inventor
Howard M. Arneson
Assignee (at issue)
Arneson 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.