Granted Patent
Utility
US 4,407,047 · App. 06/208,159
Cotton ginning system embodying a lint cleaner and process of operating the same
Inventors:
Donald W. Van Doorn, Tommy W. Webb, James B. Hawkins
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Nov 19, 1980
Inventors
Donald W. Van Doorn
Tommy W. Webb
James B. Hawkins
Assignee (at issue)
Lummus Industries, 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.