Granted Patent
Utility
US 4,802,877 · App. 07/154,317
Method and apparatus of tying the neck of a balloon
Inventors:
John C. Davis, James Milne
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Feb 10, 1988
Inventors
John C. Davis
James Milne
Assignee (at issue)
CTI INDUSTRIES CORP.
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.