D*A*M Forum
https://www.stompboxes.co.uk/forum/
J R Butt's guitar picup - US patent 1959
https://www.stompboxes.co.uk/forum/viewtopic.php?t=7505
Page
1
of
1
J R Butt's guitar picup - US patent 1959
Posted:
Fri Aug 13, 2010 12:47 am
by
Bert Ohlsson
http://www.freepatentsonline.com/2892371.pdf
