Patents by Inventor Ruchela Marie Duval

Ruchela Marie Duval 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).

  • Read-only-memory with shunt path to divert programming current
    Patent number: 4112505
    Abstract: An integrated circuit programmable read only memory is arranged in a matrix aving a plurality of memory cells arranged in rows and columns. A particular cell in a matrix is addressed by selecting the appropriate row and column. A destructible memory element connects a column to a row at each intersection. The currents for programming adjacent memory cells corresponding to a row of the memory are diverted by a single path.
    Type: Grant
    Filed: December 1, 1976
    Date of Patent: September 5, 1978
    Assignee: Compagnie Internationale pour l'Informatique Cii-Honeywell Bull
    Inventors: Jean-Claude Duval, Francis Joseph Mottini, Serge Auguste Touron, Jean-Jacques Francois Rennard, Ruchela Marie Duval