Granted Patent
Utility
US 5,197,345 · App. 07/792,431
Taper bushed screw conveyor drive and method with demount feature
Inventor:
Max H. Rose
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Nov 15, 1991
Inventor
Max H. Rose
Assignee (at issue)
Reliance Electric Industrial 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.