Granted Patent
Utility
US 4,384,476 · App. 06/215,251
Apparatus for and method of ultrasonically inspecting foodstuffs
Inventors:
John O. Black, Frank B. Vanderhoof, Robert Dederer
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Dec 11, 1980
Inventors
John O. Black
Frank B. Vanderhoof
Robert Dederer
Assignee (at issue)
Metramatic Corp.
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.