During Israel's War for Independence in 1948, he designed munitions for the Israeli army and, at the request of the Israeli government, retrofitted his factory to produce munitions for the war effort. In 1956 Maurice immigrated to the United States.
During Israel's War for Independence in 1948, he created munitions for the Israeli military and later adapted his factory to manufacture weapons for the war effort at the request of the Israeli government.  In 1956, Maurice moved to the United States.