Granted Patent
Utility
US 6,720,187 · App. 09/837,073
Multi-format sample processing devices
Inventors:
William Bedingham, Barry W. Robole
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 18, 2001
Inventors
William Bedingham
Barry W. Robole
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.