Granted Patent
Utility
US 6,625,949 · App. 09/774,803
Method of manufacturing automotive trim using vibration welding, and resulting article
Inventor:
Andrew Billiu
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Feb 1, 2001
Inventor
Andrew Billiu
Assignee (at issue)
Guardian Industries Corp.
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.