Granted Patent
Utility
US 5,877,863 · App. 08/822,189
Readhead for a photometric diagnostic instrument
Inventors:
Gary D. Ross, Nick Stock
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Mar 20, 1997
Inventors
Gary D. Ross
Nick Stock
Assignee (at issue)
Bayer Aktiengesellschaft
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.