X-Men Who Are Currently On A Leave Of Absense To Hunt Down The Books Of Truth[?]:
Deceased X-Men:
Former Members:
X-Men Allies:
Villains:
... by the slipping friction. The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by ...