CRT displays [was: computer graphics in the 1950s]

[Chuck Guzis]

On 25 Oct 2008 at 14:11, Christian Corti wrote:

>> Maybe there is more information in the patents 2328259 (Polar 
> coordinate cathode-ray tube, 1943) and 2864033 (Polar coordinate tube, 
> 1958), both found on freepatentsonline.com, but the site seems to be 
> non-functional at the moment.

Far better is to use the US Patent and Trademark Office online 
database:

http://www.uspto.gov/patft/index.html

Cheers,
Chuck