Granted Patent
Utility
US 6,054,672 · App. 09/153,477
Laser welding superalloy articles
Inventors:
Michael Foster, Kevin Updegrove, Christopher A. Thurston, Dan L. Lovelace
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Sep 15, 1998
Inventors
Michael Foster
Kevin Updegrove
Christopher A. Thurston
Dan L. Lovelace
Assignee (at issue)
Chromalloy Gas Turbine LLC
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.