Granted Patent
Utility
US 4,289,732 · App. 06/123,797
Apparatus for intimately admixing two chemically reactive liquid components
Inventors:
John R. Bauer, Robert Byars, Robin L. Grieve
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Feb 22, 1980
Inventors
John R. Bauer
Robert Byars
Robin L. Grieve
Assignee (at issue)
The Upjohn Co.
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.