Granted Patent
Utility
US 5,542,838 · App. 08/326,150
System providing rapid die change capability to a pellet mill
Inventors:
Donald M. Wilhelm, Verne A. Hubalek, S. Andrew Smith, Robert Immergluck
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Oct 19, 1994
Inventors
Donald M. Wilhelm
Verne A. Hubalek
S. Andrew Smith
Robert Immergluck
Assignee (at issue)
California Pellet Mill 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.