Granted Patent
Utility
US 4,558,014 · App. 06/503,500
Assay apparatus and methods
Inventors:
Tomas B. Hirschfeld, Myron J. Block
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Jun 13, 1983
Inventors
Tomas B. Hirschfeld
Myron J. Block
Assignee (at issue)
Myron J. Block
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.