Granted Patent
Utility
US 4,607,150 · App. 06/606,791
Laser spot welder
Inventor:
Robert D. Bannister
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: May 3, 1984
Inventor
Robert D. Bannister
Assignee (at issue)
Cincinnatti Milacron 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.