Granted Patent
Utility
US 4,641,872 · App. 06/736,803
Collision damper having a damping piston and a deformable tube connected thereto
Inventors:
Karl-Heinz Lohr, Ewald Kohberg, Werner Kuchheuser, Wolfgang Dorhmann
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: May 22, 1985
Inventors
Karl-Heinz Lohr
Ewald Kohberg
Werner Kuchheuser
Wolfgang Dorhmann
Assignee (at issue)
Boge 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.