Granted Patent
Utility
US 4,513,689 · App. 06/603,335
Poultry-harvesting assembly
Inventors:
Paul S. Berry, John Benson, Peter J. Kettlewell, Michael J. B. Turner
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Apr 24, 1984
Inventors
Paul S. Berry
John Benson
Peter J. Kettlewell
Michael J. B. Turner
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.