Granted Patent
Utility
US 4,340,564 · App. 06/170,632
Immunoadsorptive surface coating for solid-phase immunosubstrate and solid-phase immunosubstrate
Inventors:
Richard A. Harte, Max Bart
Patented Case
View Patent ↗
Granted: Jul 20, 1982
Filed: Jul 21, 1980
Inventors
Richard A. Harte
Max Bart
Assignee (at issue)
Daryl Laboratories, 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.