Patents by Inventor Martin J. Daigneault

Martin J. Daigneault 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).

  • Patent number: 3950842
    Abstract: A method for making a solid electrolyte capacitor comprises forming a dielectric film on a porous valve-metal pellet, impregnating the pellet with a manganese salt and pyrolyzing, applying to the pellet a thixotropic coating of manganese salt, immersing the wet coated pellet into a fluidized bed of coarse manganese dioxide particles, pyrolyzing the coating and depositing on the rough surfaces of the coating a tightly bonded counterelectrode.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: April 20, 1976
    Assignee: Sprague Electric Company
    Inventors: Lawrence E. Fournier, Martin J. Daigneault, Frederick G. Tarbin