Granted Patent
Utility
US 6,281,466 · App. 09/340,845
Projection welding of an aluminum sheet
Inventors:
Robert G. VanOtteren, Edward P. Patrick, Donald J. Spinella
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jun 28, 1999
Inventors
Robert G. VanOtteren
Edward P. Patrick
Donald J. Spinella
Assignees (at issue)
Newcor, Inc.
Aluminum Company of America
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.