Granted Patent
Utility
US 6,742,697 · App. 10/134,932
Joining of structural members by friction plug welding
Inventors:
Keith McTernan, Douglas J. Waldron, Ray Miryekta
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Apr 29, 2002
Inventors
Keith McTernan
Douglas J. Waldron
Ray Miryekta
Assignee (at issue)
The Boeing Company
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.