Granted Patent
Utility
US 4,193,983 · App. 05/906,514
Labeled liposome particle compositions and immunoassays therewith
Inventors:
Edwin F. Ullman, John Michael Brinkley
Patented Case
View Patent ↗
Granted: Mar 18, 1980
Filed: May 16, 1978
Inventors
Edwin F. Ullman
John Michael Brinkley
Assignee (at issue)
Syva Company
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.