Granted Patent
Utility
US 5,509,537 · App. 08/249,863
Sorting machine ejection system
Inventors:
James E. Crismon, Jerry W. Brum
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: May 26, 1994
Inventors
James E. Crismon
Jerry W. Brum
Assignee (at issue)
ESM International 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.