Granted Patent
Utility
US 6,712,106 · App. 10/252,997
Dust bag for wood working machine
Inventor:
Chin-Feng Wang
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Sep 24, 2002
Inventor
Chin-Feng Wang
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.