Granted Patent
Utility
US 6,180,409 · App. 09/170,270
Spectrophotometric apparatus with multiple readheads
Inventors:
Willis E. Howard, III, Gary E. Rehm, Gerald H. Shaffer
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Oct 13, 1998
Inventors
Willis E. Howard, III
Gary E. Rehm
Gerald H. Shaffer
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.