Granted Patent
Utility
US 5,841,139 · App. 08/808,745
Optical instrument providing combined infrared and Ramen analysis of samples
Inventors:
Ronald Sostek, Norman A. Wright
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Feb 28, 1997
Inventors
Ronald Sostek
Norman A. Wright
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.