The incident happened Thursday just before midnight inside Teddy's Bar and Grill located at of 2171 2nd Ave.
According to police, the man entered with a pit bull and baseball bat, and in an unprovoked attack, choked a 29-year-old female employee with the bat. A 35-year-old male and 31-year-old male employee attempted to intervene but were stabbed with an unknown object by the man, police say.
Police say the 35-year-old was stabbed in the chest and back while the 31-year-old was stabbed in the back.
The man fled northbound on 2nd Avenue.
The 35-year-old was taken by EMS to St. Luke's Hospital in stable condition and the 31-year-old was taken by EMS to Harlem Hospital in stable condition. The 29-year-old female refused medical attention at the scene.
Anyone with information is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477). The public can also submit their tips by logging onto the CrimeStoppers website.