Granted Patent
Utility
US 6,604,256 · App. 09/630,082
Grout float assembly
Inventor:
Walter W. Pytlewski
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Aug 1, 2000
Inventor
Walter W. Pytlewski
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.