Granted Patent
Utility
US 4,921,789 · App. 07/184,079
Marker for colorectal carcinoma and methods of detecting the same
Inventors:
Ronald R. Salem, Peter Thomas, Glenn Steele
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Apr 20, 1988
Inventors
Ronald R. Salem
Peter Thomas
Glenn Steele
Assignee (at issue)
New England Deaconess Hospital Corporation
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.