Granted Patent
Utility
US 5,120,507 · App. 07/272,365
Reflection plate for a biochemical measuring instrument
Inventors:
Yoshihiko Sano, Shigeru Makita, Maury Zivitz, George H. Sierra
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Nov 17, 1988
Inventors
Yoshihiko Sano
Shigeru Makita
Maury Zivitz
George H. Sierra
Assignees (at issue)
Omron Tateisi Electronics
Boehringer Mannheim GmbH
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.