Patents by Inventor Paul L. Ravenna

Paul L. Ravenna 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).

  • Nautical chart for piloting
    Patent number: 4934741
    Abstract: This invention is a nautical chart intended primarily for small craft navigation. The nautical chart includes a representation of a shoreline on at least one side of a single sheet of flexible material. The representation of the shoreline includes at least one small scale chart and a plurality of large scale charts. Both large scale and small scale charts are suitable for piloting. A substantially continuous shoreline is represented by a combination of the plurality of large scale charts. The large scale charts can be an extension of the shoreline of the small scale chart, overlap the shoreline of the small scale charts, or both.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: June 19, 1990
    Inventors: John M. Landry, Paul L. Ravenna
  • Nautical chart for piloting
    Patent number: 4796920
    Abstract: This invention is a nautical chart intended primarily for small craft navigation. The nautical chart includes a representation of a shoreline on at least one side of a single sheet of flexible material. The representation of the shoreline includes at least one small scale chart and a plurality of large scale charts. Both large scale and small scale charts are suitable for piloting. A substantially continuous shoreline is represented by a combination of the plurality of large scale charts. The large scale charts can be an extension of the shoreline of the small scale chart, overlap the shoreline of the small scale charts, or both.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: January 10, 1989
    Inventors: John M. Landry, Paul L. Ravenna
  • Nautical chart for piloting
    Patent number: 4687230
    Abstract: This invention is a nautical chart intended primarily for small craft navigation. The nautical chart includes a representation of a shoreline on at least one side of a single sheet of flexible material. The representation of the shoreline includes at least one small scale chart and a plurality of large scale charts. Both large scale and small scale charts are suitable for piloting. A substantially continuous shoreline is represented by a combination of the plurality of large scale charts. The large scale charts can be an extension of the shoreline of the small scale chart, overlap the shoreline of the small scale charts, or both.
    Type: Grant
    Filed: January 9, 1986
    Date of Patent: August 18, 1987
    Inventors: John M. Landry, Paul L. Ravenna