Granted Patent
Utility
US 5,662,264 · App. 08/495,989
Method for welding aluminum plates
Inventors:
Jukka Gustafsson, Kalevi Heino
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Jun 28, 1995
Inventors
Jukka Gustafsson
Kalevi Heino
Assignee (at issue)
Kvaerner Masa-Yards Oy
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.