Granted Patent
Utility
US 4,184,850 · App. 05/926,246
Diagnostic agent for the detection of ketone bodies in fluids and process for its manufacture
Inventor:
Klaus Habenstein
Patented Case
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Granted: Jan 22, 1980
Filed: Jul 20, 1978
Inventor
Klaus Habenstein
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.