Granted Patent
Utility
US 6,647,835 · App. 10/274,240
Pliers with replaceable jaws
Inventor:
Yi Chuan Tseng
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 17, 2002
Inventor
Yi Chuan Tseng
Assignee (at issue)
AWI Acquisition Company
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.