Granted Patent
Utility
US 6,307,173 · App. 09/742,594
Weld gun arm casting
Inventors:
Sabit Ali, David D. Brown, A Murray Patterson
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Dec 21, 2000
Inventors
Sabit Ali
David D. Brown
A Murray Patterson
Assignee (at issue)
BRUSH WELLMAN, INC.
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.