Granted Patent
Utility
US 5,166,749 · App. 07/704,304
Step scanning technique for interferometer
Inventors:
Raul Curbelo, David B. Johnson
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: May 22, 1991
Inventors
Raul Curbelo
David B. Johnson
Assignee (at issue)
Bio-Rad Laboratories, 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.