Topband: W8ji ATR-10 design 160M?

[Doug Grant]

On Thu, Oct 17, 2013,  K9TF wrote:

> Hi Paul
>
> http://lists.contesting.com/_topband/1997-01/msg00037.html  You posted the
> comment from W8JI on a reply sorry about that. .  No biggie.
>
> What the patent number?  I would like to read more about it.

The relevant patent appears to be 4,763,087 dated August 9, 1988.

You can find the full patent text and images at www.uspto.gov and
search for the patent number.

I think patents expire 17 years from the issue date, so this one
appears to have expired.

73,

Doug K1DG