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Very old recepticle patents
Various plug and outlet patents
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Poster wa2ise Offline
Posted 11/02/09 09:50 PM
Description
Looks like the 1-15 plug and outlet was developed at least by 1914, a year before the 3 prong grounding plug was done, the Aussie style one I posted last week
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#190420 - 11/16/09 04:49 PM Re: Very old recepticle patents [Re: wa2ise]
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Registered: 08/06/05
Posts: 8
Loc: Richmond, VA
Gaynor Receptacle This looks to be the single version of the duplex receptacle patent.
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