Granted Patent
Utility
US 6,257,096 · App. 09/699,090
Socket adaptor for ratchet
Inventor:
David Ling
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Oct 30, 2000
Inventor
David Ling
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.