Granted Patent
Utility
US 6,200,474 · App. 09/366,134
Cast membrane structures for sample prepartion
Inventors:
William Kopaciewicz, Donald G. Sheer, Todd E. Arnold, Vinay Goel
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Aug 2, 1999
Inventors
William Kopaciewicz
Donald G. Sheer
Todd E. Arnold
Vinay Goel
Assignee (at issue)
Millipore Corporation
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.