Granted Patent
Utility
US 4,573,403 · App. 06/662,272
Swinging charge door for baler
Inventors:
Donald W. Van Doorn, James B. Hawkins, Francis W. Carpenter, III, Robert E. Lange, Tommy W. Webb
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Oct 18, 1984
Inventors
Donald W. Van Doorn
James B. Hawkins
Francis W. Carpenter, III
Robert E. Lange
Tommy W. Webb
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.