Granted Patent
Utility
US 6,804,050 · App. 10/328,322
Multiple phase contrast annulus slider
Inventor:
Scott Parks
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 23, 2002
Inventor
Scott Parks
Assignee (at issue)
LEICA MICROSYSTEMS NC, INC.
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.