[GreenKeys] WU 1-A pics

[COURYHOUSE at aol.com]

Duncan is that 20 series   parallel  strip   tape  printer  ( kind of like 
a  14  but.... it   talks  parallel  not  serial!   to work on a table   
with Nicks  multiplexer?
 
 
In a message dated 11/25/2016 8:06:00 P.M. US Mountain Standard Time,  
1oldlens1 at ix.netcom.com writes:

This photo reminds me of a question someone on this list might be  
able to answer. Note the patent notice on the label is a date of issue  
rather than a patent number.  I was told or read somewhere  that  patent 
_numbers_ were required after 1927 but that either the date of  issue or 
the number could be used before that. Does anyone know for  certain. A 
search for patent law gets into such a thick jungle of  convoluted stuff 
that I have not been able to find an answer. Knowing  would be another 
clue in dating stuff.

On 11/25/2016 2:58 PM, Nick  wrote:
> Nick N0NCQ
>
>
>
> Sent from my  T-Mobile 4G LTE Device
>
>
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-- 
Richard  Knoppow
1oldlens1 at ix.netcom.com
WB6KBL
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