Granted Patent
Utility
US 4,810,658 · App. 06/829,647
Photometric instruments, their use in methods of optical analysis, and ancillary devices therefor
Inventors:
Ian A. Shanks, Alan M. Smith
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Feb 13, 1986
Inventors
Ian A. Shanks
Alan M. Smith
Assignee (at issue)
Ares-Serono Research & Development Limited Partnership
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.