Patents by Inventor Joseph La Sala

Joseph La Sala 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).

  • Vacuum pretreatment process for durable electroplated coatings on ABS and PPO plastics
    Patent number: 4395313
    Abstract: A method of forming adherent electrodeposited coatings on ABS and PPO comprising the steps of etching and bonding oxygen to an ABS or PPO surface in an RF oxygen glow discharge, vacuum depositing a metal having an affinity for oxygen, and then vacuum depositing a readily electroplatable metal. Even decorative chrome electroplatings can be performed without producing blistering or peeling.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: July 26, 1983
    Assignee: General Motors Corporation
    Inventors: James H. Lindsay, Joseph La Sala, Hamid M. Ghorashi