All text and images in this website are owned by and copyright © 2006, 2007 Douglas Gregor.  A digital watermark is embedded in the images so they can be traced if used in violation of the copyright.

You may save or print the images and pages for purely personal purposes, but you do not have my permission to use them in an other website or on-line or off-line publication or catalogue, for any purpose.

You may link to our home page, but you do not have my permission to incorporate any image, page or part of this website in another site whether by frameset, iframe, embed tag or any other means.

You will find more information about copyright at the following sites :

The UK Patent Office     The US Copyright Office