Granted Patent
Utility
US 5,452,823 · App. 08/296,195
Disposable tray sump foamer, assembly and methods
Inventors:
Darrel Palmer, Robert P. Cook
Patented Case
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Granted: Sep 26, 1995
Filed: Aug 24, 1994
Inventors
Darrel Palmer
Robert P. Cook
Assignee (at issue)
Ballard Medical Products
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.