Granted Patent
Utility
US 4,379,671 · App. 06/113,271
Synchronized bottle unloading system
Inventor:
Donald D. Cochran
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Jan 18, 1980
Inventor
Donald D. Cochran
Assignee (at issue)
National Crane Corporation
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.