Granted Patent
Utility
US 6,614,199 · App. 09/786,576
Device for displacing furniture
Inventors:
Ralf Bokamper, Friedhelm Herzig, Martin Ctvrtnicek, Klaus Wehmeyer
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Mar 5, 2001
Inventors
Ralf Bokamper
Friedhelm Herzig
Martin Ctvrtnicek
Klaus Wehmeyer
Assignee (at issue)
Dewert Antriebs- und Systemtechnik 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.