Granted Patent
Utility
US 5,855,377 · App. 08/748,429
Dead length collect chuck assembly
Inventor:
William Gerrard Murphy
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Nov 13, 1996
Inventor
William Gerrard Murphy
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.