Granted Patent
Utility
US 4,538,734 · App. 06/513,761
Disk screen apparatus, disk assemblies and method
Inventor:
Michael L. Gill
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Jul 14, 1983
Inventor
Michael L. Gill
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.