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On Friday, April 7, 2017 at 9:19:10 PM UTC-4, Jim Wilkins wrote:
wrote in message
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On Friday, April 7, 2017 at 6:43:25 PM UTC-4, Jim Wilkins wrote:

For my part, I always invent things that have been in use for 30 or
more years. g
--
Ed Huntress

========================
A poster in an alternate energy group proposed a bright idea which
I
had to tell him was patented in 1796.
-jsw

Wow. Unless it was a life-saving antibiotic, at least the patent has
run out. g

--
Ed Huntress

Vaccination is that old, but fortunately we don't suffer the other
medical procedures of that era.