Patents Assigned to Rudolph V. Pitts
  • Lead-acid battery with dimensionally isotropic graphite additive in active material
    Patent number: 5223352
    Abstract: A lead-acid battery in which the plates are fabricated from a paste containing principally lead oxide and a small amount of dimensionally isotropic graphite fiber of a specific type. The specific type of graphite fiber may be either a graphite fiber synthesized from a polyacrylonitrile (PAN) precursor or a graphite fiber synthesized from a pitch precursor.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: June 29, 1993
    Assignee: Rudolph V. Pitts
    Inventors: Rudolph V. Pitts, John B. Williamson, Michael J. Gough, Thomas E. Bolner