Granted Patent
Utility
US 4,249,891 · App. 05/942,447
Advanced optimum continuous crossflow grain drying and conditioning method and apparatus
Inventors:
Ronald T. Noyes, Eugene E. Williams
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: Sep 14, 1978
Inventors
Ronald T. Noyes
Eugene E. Williams
Assignee (at issue)
Beard Industries
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.