Granted Patent
Utility
US 4,540,613 · App. 06/465,924
Tar-depleted, concentrated, liquid smoke compositions
Inventors:
Myron D. Nicholson, John H. Beckman
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Feb 14, 1983
Inventors
Myron D. Nicholson
John H. Beckman
Assignee (at issue)
Union Carbide 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.