Granted Patent
Utility
US 5,293,797 · App. 07/455,267
Multiple point delivery apparatus for separating of sheet-like elements
Inventors:
Michael H. Spalding, Frederick A. Benjamin, Kenneth S. Mielcarek
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Dec 22, 1989
Inventors
Michael H. Spalding
Frederick A. Benjamin
Kenneth S. Mielcarek
Assignee (at issue)
John Brown, 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.