Patents by Inventor M. Alain Marechal

M. Alain Marechal 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).

  • Snooper device for regulated parking time-accounting system
    Patent number: 5173883
    Abstract: A snooper device that can be used to memorize data elements relating to the most recent instances of parking, notably for proof in the event of disputes, in time-accounting devices, and notably time-accounting devices for reckoning periods of parking regulated by rules. This snooper device comprises first means to memorize operation checking data elements in which there are written, at each fresh use of the time-accounting system, data elements corresponding to the time and to the date of commencement of at least each instance of parking and data elements corresponding to the time and to the date of the end of this instance of parking.
    Type: Grant
    Filed: December 10, 1991
    Date of Patent: December 22, 1992
    Assignee: Hello SA
    Inventors: M. Francois Ilie, M. Alain Marechal