Granted Patent
Utility
US 5,446,547 · App. 08/235,105
Combination of motorized and piezoelectric translation for long-range vertical scanning interferometry
Inventors:
Bryan Guenther, Paul J. Caber, John B. Hayes
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Apr 29, 1994
Inventors
Bryan Guenther
Paul J. Caber
John B. Hayes
Assignee (at issue)
Wyko, 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.