Granted Patent
Utility
US 4,458,381 · App. 06/455,258
Cotton ginning system embodying a lint cleaner
Inventors:
Donald W. Van Doorn, Tommy W. Webb, James B. Hawkins
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Jan 3, 1983
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.