Granted Patent
Utility
US 6,348,109 · App. 09/646,573
Steel material and method for its manufacturing
Inventor:
Odd Sandberg
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Sep 19, 2000
Inventor
Odd Sandberg
Assignee (at issue)
Uddeholm Tooling Aktiebolag
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.