Granted Patent
Utility
US 6,776,953 · App. 09/763,974
Method and device for forming a hollow body
Inventors:
Thomas Hulsberg, Thorsten Sternal
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: May 31, 2001
Inventors
Thomas Hulsberg
Thorsten Sternal
Assignee (at issue)
Daimlerchrysler AG
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.