Granted Patent
Utility
US 5,565,318 · App. 08/300,015
Room temperature stable reagent semi-spheres
Inventors:
David Winter Walker, Robert A. DiFrancesco, Jean A. Heaster, James F. Jolly, Chris Lively, Suzanne B. Treml
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Sep 2, 1994
Inventors
David Winter Walker
Robert A. DiFrancesco
Jean A. Heaster
James F. Jolly
Chris Lively
Suzanne B. Treml
Assignee (at issue)
Pharmacia Biotech Aktiebolag
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.