Patents Assigned to ESB Ray-O-Vac Management Corporation
  • Patent number: 4109358
    Abstract: A unique alloy comprising lead with small additions of zinc and tin is used to make grids for lead acid cells. The alloy as produced is softer than is desirable. It is hardened by mechanical working. When properly worked, it has a strength and stiffness approaching that of other low alloy lead materials currently in use as storage battery grids.
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: August 29, 1978
    Assignee: ESB Ray-O-Vac Management Corporation
    Inventors: Joseph C. Duddy, Edward R. Hein
  • Patent number: D249291
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: September 5, 1978
    Assignee: ESB Ray-O-Vac Management Corporation
    Inventor: Whitley Pemberton