Granted Patent
Utility
US 5,954,397 · App. 09/018,136
Child safety seat
Inventors:
Waldemar Czernakowski, Hermann Wetter, Christian Stysch
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Feb 3, 1998
Inventors
Waldemar Czernakowski
Hermann Wetter
Christian Stysch
Assignee (at issue)
BRITAX ROMER KINDERSICHERHEIT 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.