Granted Patent
Utility
US 4,721,681 · App. 06/733,689
Immunoassay in centrifugal field with complementary particles of differing specific gravities
Inventors:
Brian Lentrichia, Michael Turanchik, Linda A. Kish
Patented Case
View Patent ↗
Granted: Jan 26, 1988
Filed: May 14, 1985
Inventors
Brian Lentrichia
Michael Turanchik
Linda A. Kish
Assignee (at issue)
Fisher Scientific Company, L.L.C.
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.