Patents by Inventor Michael B. Dalrymple

Michael B. Dalrymple 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).

  • Device to indicate solar exposure
    Patent number: 4635371
    Abstract: A device for determining the annual exposure of a site which comprises a viewer having a lens with markings provided thereon for determining the line of travel of the sun at a given latitude for selected dates of the year and indicating the position of the sun at selected times of the day. Interchangeable lenses are provided for different latitudes and are changed by removing a bezel which attaches the lens to the hollow cylindrical body of the device.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: January 13, 1987
    Inventor: Michael B. Dalrymple