Granted Patent
Utility
US 6,231,300 · App. 09/171,374
Peripheral pump
Inventors:
Hans-Dieter Wilhelm, Christoph Schmidt, Thomas Werner
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Mar 4, 1999
Inventors
Hans-Dieter Wilhelm
Christoph Schmidt
Thomas Werner
Assignee (at issue)
Mannesmann VDO 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.