Granted Patent
Utility
US 6,644,125 · App. 09/857,122
Pressure sensor
Inventors:
Thorsten Siess, Christoph Nix
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jun 1, 2001
Inventors
Thorsten Siess
Christoph Nix
Assignee (at issue)
Impella Cardiotechnik 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.