Patents by Inventor Roy Shipperbottom

Roy Shipperbottom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electric storage batteries
    Patent number: 4367188
    Abstract: A method of making an electrode for a lead acid battery which comprises compressing an active material composition into adherent contact with an apertured electrical conductor characterized in that compression is applied to the active material and electrical conductor so as to compress the active material to planar form adherent to the conductor except in the region where it is wished to form an aperture through the active material where compression is not applied or is applied to a lesser extent such that the active material can be readily displaced from the non-compressed region by means which do not displace the active material from the remainder of the compressed electrode.
    Type: Grant
    Filed: July 11, 1980
    Date of Patent: January 4, 1983
    Assignee: Chloride Group Public Limited Company
    Inventors: Suzanne Warrell, Roy Shipperbottom