Granted Patent
Utility
US 6,696,664 · App. 10/113,861
Powder feed nozzle for laser welding
Inventors:
Clarence L. Pyritz, Frank G. Arcella, Michael A. House
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Apr 1, 2002
Inventors
Clarence L. Pyritz
Frank G. Arcella
Michael A. House
Assignee (at issue)
MTS SYSTEMS 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.