Granted Patent
Utility
US 6,013,890 · App. 08/954,555
Dual pass weld overlay method and apparatus
Inventor:
Philip N. Hulsizer
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Oct 20, 1997
Inventor
Philip N. Hulsizer
Assignee (at issue)
SERVORE CO., LTD.
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.