Granted Patent
Utility
US 6,485,471 · App. 09/518,817
Bellowed fluid delivery apparatus
Inventors:
Maury Zivitz, Raghbir S. Bhullar, Brian S. Hill
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 3, 2000
Inventors
Maury Zivitz
Raghbir S. Bhullar
Brian S. Hill
Assignee (at issue)
Roche Diagnostics GMBH
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.