Granted Patent
Utility
US 5,409,294 · App. 08/073,761
Child's safety device
Inventor:
Waldemar Czernakowski
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Jun 8, 1993
Inventor
Waldemar Czernakowski
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.