Granted Patent
Utility
US 4,865,183 · App. 07/114,786
Wide chain conveyor sprocket drive
Inventors:
Wasyly G. Hodlewsky, Roger H. Schroeder
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Oct 30, 1987
Inventors
Wasyly G. Hodlewsky
Roger H. Schroeder
Assignee (at issue)
REXNORD GMBH
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.