Granted Patent
Utility
US 6,479,772 · App. 09/832,369
Sealing machine having a safety shut off mechanism
Inventor:
Jui Chuan Fan
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Apr 12, 2001
Inventor
Jui Chuan Fan
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.