Allen was a woman with a great amount of intelligence. Her invention was a disposable baby bottle. Her design was very clever and had a smart meaning behind how it worked. To start you would take the disposable plastic bag and put it in the container. Before she sealed the end she had let excess air be released from the bag. Allen's invention is limiting the amount of baby's that are swallowing air and milk at the same time. With standard baby bottles they didn't have the choice to let air out. The George Washington University Hospital is where Allen's invention was proven to be true, although her invention was found to be seen on a commercial, that is where it was shown to be tested in hospitals. Later when her invention was published and written about they never explain if she ever sold her invention or