Granted Patent
Utility
US 5,369,242 · App. 08/162,888
Split beam laser welding apparatus
Inventors:
Stephen C. Hatfield, Richard P. Broders
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Dec 8, 1993
Inventors
Stephen C. Hatfield
Richard P. Broders
Assignee (at issue)
Combustion Engineering, Inc.
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.