Granted Patent
Utility
US 4,783,014 · App. 06/833,355
Disk refiner having sliding rigid multiple disks
Inventors:
Borje Fredriksson, Philip H. Goldenberg
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Feb 25, 1986
Inventors
Borje Fredriksson
Philip H. Goldenberg
Assignee (at issue)
Beloit 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.