Granted Patent
Utility
US 4,301,915 · App. 06/111,406
Snap-on attachment for roller chain conveyors
Inventors:
Anthony J. Michalik, Peter L. Thiel, Ronald D. Elson, James A. Palmer
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Jan 11, 1980
Inventors
Anthony J. Michalik
Peter L. Thiel
Ronald D. Elson
James A. Palmer
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.