Granted Patent
Utility
US 6,467,752 · App. 09/768,632
Unitary fitting and ball-valve
Inventor:
Terrance J. Woods
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Jan 23, 2001
Inventor
Terrance J. Woods
Assignee (at issue)
Westinghouse Air Brake Technologies Corporation
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.