Granted Patent
Utility
US 4,448,357 · App. 06/355,794
Rotary macerator
Inventors:
Stanley D. Harlow, Donald J. Alexander
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Mar 8, 1982
Inventors
Stanley D. Harlow
Donald J. Alexander
Assignee (at issue)
International Harvester 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.