Patents by Inventor Katherine Lawrence

Katherine Lawrence 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).

  • Novel gel compositions, processes for making same and uses in transmitting and measuring electrical impulses
    Patent number: 4692273
    Abstract: This invention comprises improved novel aqueous gel compositions, and devices and methods for preparation of such compositions. The invention also includes the uses of these novel compositions and devices made therefrom as linkages for transmitting and measuring electrical phenomena, and particuarly for detecting and transmitting electrical impulses from mammalian skin to or through electrodes. Generally, the compositions of the invention contain critical and specific amounts of polyacrylamide, a titanium organic compound, specific and selected organic gums and at least one conductive salt.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: September 8, 1987
    Assignee: Hewlett-Packard Company
    Inventor: Katherine Lawrence