Patents Assigned to COM. E. IRA, S.r.C.
  • Patent number: 3939866
    Abstract: This invention relates to means for restricting the "breathing" of closed containers of volatile fluids within desired limits of pressure and/or vacuum, and in one embodiment includes two coaxial counter-directional, pressure relief valves for use in auto gasoline tanks.
    Type: Grant
    Filed: January 21, 1974
    Date of Patent: February 24, 1976
    Assignee: COM. E. IRA, S.r.C.
    Inventor: Enrico Pignatelli