Granted Patent
Utility
US 5,863,243 · App. 08/900,098
Sanding block
Inventor:
Frank Ali
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Jul 25, 1997
Inventor
Frank Ali
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.