Granted Patent
Utility
US 4,252,769 · App. 06/106,828
Apparatus for the performance of chemical processes
Inventors:
Leroy Hood, Michael W. Hunkapiller
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Dec 26, 1979
Inventors
Leroy Hood
Michael W. Hunkapiller
Assignee (at issue)
California Institute of Technology
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.