Granted Patent
Utility
US 5,085,847 · App. 07/353,571
Apparatus for producing a fast dissolving granular product
Inventors:
John H. Shaffer, William L. Kurtz
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: May 18, 1989
Inventors
John H. Shaffer
William L. Kurtz
Assignee (at issue)
Olin Corporation
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.