[sdiy] cloning, copying, copyrights

[Tim Daugard]

> Well.. at one time you might have patented the 'plated through hole' or 
> some
> feature like that... otoh it might have been called 'obvious'...

Military equipment used rivet through hole 50+ years ago. The first 
equipment I worked on had copper? rivets through PCB holes. At least once I 
had to repair a circuit by fixing solder joints that had broken on either 
side of the boaRD.

Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
http://home.sprintmail.com/~daugard/synth.htm
http://home.earthlink.net/~synthfred/h_toctop.htm (Fred's online edition)