Granted Patent
Utility
US 6,726,548 · App. 09/934,367
Parts hangers for rotating table blast machine
Inventor:
Hershell Williams
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 21, 2001
Inventor
Hershell Williams
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.