Patents by Inventor Jacques A. Bertrand

Jacques A. Bertrand 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).

  • Lock sensitivity adjustor
    Patent number: 4176810
    Abstract: A vehicle safety belt retractor is provided with means for varying sensitivity of the locking mechanism. Force applied via a return component to a mobile support associated with the locking mechanism varies blocking sensitivity in proportion to the length of belt protracted.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: December 4, 1979
    Assignee: Klippan France, S.A.
    Inventors: Jacques A. Bertrand, Robert A. Marechal