Granted Patent
Utility
US 6,712,362 · App. 09/973,605
Primary seals for master-slave cylinder systems
Inventors:
Klaus Krappmann, Andre Gemeinhardt, Hai Teng Sui, Dieter Gebauer, Boleslaw Tulaczko, Volker Stampf
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Oct 9, 2001
Inventors
Klaus Krappmann
Andre Gemeinhardt
Hai Teng Sui
Dieter Gebauer
Boleslaw Tulaczko
Volker Stampf
Assignee (at issue)
Mannesmann Sachs AG
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.