Granted Patent
Utility
US 6,035,544 · App. 09/224,226
Grain turner for tower grain dryer and method
Inventors:
David W. Morrison, John Frankovich
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Dec 30, 1998
Inventors
David W. Morrison
John Frankovich
Assignee (at issue)
The GSI Group, LLC
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.