Granted Patent
Utility
US 4,937,092 · App. 07/244,622
Increased shelf life for refrigerated fish
Inventors:
Eugene Brotsky, William E. Swartz
Patented Case
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Granted: Jun 26, 1990
Filed: Sep 12, 1988
Inventors
Eugene Brotsky
William E. Swartz
Assignee (at issue)
Rhone-Poulenc Basic Chemicals 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.