The victim hasn't been able to return to work yet -- he is still covered in bruises and he may still require surgery on his hand.
Sunday's incident marks the fourth time in the past two weeks that technical problems have disrupted air traffic at Newark.
The facility where controllers work the airspace around Newark airport is located in Philadelphia and was already short air traffic controllers.
A man attempting to go through airport security was discovered to have been hiding a living turtle in his pants as he tried to sneak it onto the plane, authorities said.
A New Jersey man was charged with threatening flight attendants and crew members on a flight from Miami to Newark on Sunday.
A bull on the loose was spotted running on the New Jersey Transit train tracks in Newark on Thursday morning before it was safely captured.