Granted Patent
Utility
US 4,446,631 · App. 06/344,499
Air system for continuous flow grain dryer
Inventors:
Elmo L. Batterton, Melvin J. Lonsdale
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Feb 1, 1982
Inventors
Elmo L. Batterton
Melvin J. Lonsdale
Assignee (at issue)
Meyer Morton Company
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.