Granted Patent
Utility
US 6,794,789 · App. 10/432,470
Miniature motor
Inventors:
Thorsten Siess, Gebhard Doepper
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: May 22, 2003
Inventors
Thorsten Siess
Gebhard Doepper
Assignee (at issue)
Impella CardioSystems 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.