Granted Patent
Utility
US 6,461,324 · App. 09/518,887
Suction bell for breast pump
Inventor:
Klaus Schlensog
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Mar 6, 2000
Inventor
Klaus Schlensog
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.