Craig surname disambiguation

We have:

• Francis A. Craig, the inventor of Patent US-1910-1009384
• John Craig, the inventor of Patent GB-1889-3360
• William John Craig, the inventor
• Stephen Merrill Craig, the inventor
• Richard M. Craig, the inventor
• The publications Publication B2p0271e10, 1911, Clayton and Craig gets Saugus and Publication B2p0271e11, 1911, Clayton and Craig want Saugus track and Atwood, 1911, Atwood joins Clayton and Craig