Granted Patent
Utility
US 4,237,891 · App. 05/906,808
Apparatus for removing appendages from avian species by using electrodes to induce a current through the appendage
Inventors:
Ronald Arthur DuBose, William D. Woolsey
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: May 17, 1978
Inventors
Ronald Arthur DuBose
William D. Woolsey
Assignee (at issue)
Agri-Bio 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.