Granted Patent
Utility
US 4,377,261 · App. 06/236,894
Granulator and improved feed means therefor
Inventors:
Thomas J. Dumaine, Joseph A. Danko, Donald R. Poland
Patented Case
View Patent ↗
Granted: Mar 22, 1983
Filed: Feb 23, 1981
Inventors
Thomas J. Dumaine
Joseph A. Danko
Donald R. Poland
Assignee (at issue)
Leesona 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.