Granted Patent
Utility
US 4,479,751 · App. 06/332,149
Receptacle dumping apparatus
Inventors:
James H. Wyman, Robert E. Wyman
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Dec 18, 1981
Inventors
James H. Wyman
Robert E. Wyman
Assignee (at issue)
TCI Products
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.