Granted Patent
Utility
US 6,586,908 · App. 10/337,655
Docking system for a self-propelled working tool
Inventors:
Ulf Petersson, Björn Spaak, Lars Sundberg
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jan 7, 2003
Inventors
Ulf Petersson
Björn Spaak
Lars Sundberg
Assignee (at issue)
Aktiebolaget Electrolux
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.