Granted Patent
Utility
US 5,290,937 · App. 07/975,455
Radiolabeling of proteins using alkoxyphenol derivatives
Inventor:
Frank P. Tomasella
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Nov 12, 1992
Inventor
Frank P. Tomasella
Assignee (at issue)
E.R. SQUIBB & SONS. INC.
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.