Granted Patent
Utility
US 6,644,633 · App. 10/298,397
Hydraulic damping bush
Inventor:
Arndt Graeve
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Nov 18, 2002
Inventor
Arndt Graeve
Assignee (at issue)
TRELLEBORG AUTOMOTIVE TECHNICAL CENTRE GMBH
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.