Interesting ?
Posted: Sun Mar 06, 2022 4:02 pm
https://forum.talkingmachine.info/
Yes it is.
poodling around wrote: Sun Mar 06, 2022 4:44 pmYes it is.
I found the patent: Oh wait : 'No Patent granted (Sealing fee not paid) !' Seems odd ??????????? Maybe this is the one and only proto-type that he ever made ?
https://worldwide.espacenet.com/patent/ ... ound%20Box
Very interesting.