Granted Patent
Utility
US 5,564,463 · App. 08/337,971
Cover assembly for covering undersink piping
Inventor:
John A. Helmsderfer
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Nov 14, 1994
Inventor
John A. Helmsderfer
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.