Granted Patent
Utility
US 5,665,255 · App. 08/509,903
Laser welding apparatus and method for high temperature gradient cooling alloys
Inventor:
Peter L. Busuttil
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Aug 1, 1995
Inventor
Peter L. Busuttil
Assignee (at issue)
PROGRESSIVE TOOL & INDUSTRIES, CO.
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.