Granted Patent
Utility
US 5,427,496 · App. 08/176,106
Apparatus for packing separated materials
Inventors:
Ralph H. Ratledge, Jr., Jerald G. Zanzig
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Dec 29, 1993
Inventors
Ralph H. Ratledge, Jr.
Jerald G. Zanzig
Assignee (at issue)
The Heil Company
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.