Granted Patent
Utility
US 4,508,831 · App. 06/476,128
Anti-streptolysin O latex reagent and process for the preparation thereof
Inventor:
Tibor Toth
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: Mar 17, 1983
Inventor
Tibor Toth
Assignee (at issue)
Behringwerke 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.