Granted Patent
Utility
US 4,836,934 · App. 06/833,943
System for removing liquid from slurries of liquid and particulate material
Inventor:
John C. Homer
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Feb 26, 1986
Inventor
John C. Homer
Assignee (at issue)
Federal Signal 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.