Granted Patent
Utility
US 5,325,820 · App. 07/961,173
Poultry harvester
Inventors:
Douglas V. Briggs, George C. Stevens
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Oct 14, 1992
Inventors
Douglas V. Briggs
George C. Stevens
Assignee (at issue)
American Calan, Inc.
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.