Granted Patent
Utility
US 6,721,094 · App. 09/800,047
Long working distance interference microscope
Inventors:
Michael B. Sinclair, Maarten P. DeBoer, Norman Smith
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Mar 5, 2001
Inventors
Michael B. Sinclair
Maarten P. DeBoer
Norman Smith
Assignee (at issue)
Sandia 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.