Granted Patent
Utility
US 4,143,751 · App. 05/823,968
Circular sortation apparatus and methods
Inventors:
Lloyd L. Foster, Gary D. Gaarder, Charles E. Venzke
Patented Case
View Patent ↗
Granted: Mar 13, 1979
Filed: Aug 12, 1977
Inventors
Lloyd L. Foster
Gary D. Gaarder
Charles E. Venzke
Assignee (at issue)
ATO BV
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.