Granted Patent
Utility
US 4,723,979 · App. 06/880,047
Apparatus for removing a cullet of a cathode-ray tube
Inventors:
Emil V. Fitzke, Michael A. Colacello, Jack F. Otto
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Jun 30, 1986
Inventors
Emil V. Fitzke
Michael A. Colacello
Jack F. Otto
Assignee (at issue)
RCA 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.